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S Corp Tax worksheet

Grade 7 · CCSS 7.RP.A.3

Solve each problem and show your work. Round answers to 2 decimal places where needed.

  1. Problem 1.
    • Business profit before paying yourself: $120,000
    • Your reasonable salary: $62,500
    • Extra yearly costs of the S corp (optional): $3,500
    • Filing status (2026): Married filing separately

    Find: Estimated yearly saving

  2. Problem 2.
    • Business profit before paying yourself: $95,000
    • Your reasonable salary: $58,000
    • Extra yearly costs of the S corp (optional): $2,500
    • Filing status (2026): Married filing jointly

    Find: Estimated yearly saving

  3. Problem 3.
    • Business profit before paying yourself: $120,000
    • Your reasonable salary: $55,000
    • Extra yearly costs of the S corp (optional): $3,600
    • Filing status (2026): Married filing jointly

    Find: Estimated yearly saving

  4. Problem 4.
    • Business profit before paying yourself: $90,000
    • Your reasonable salary: $49,000
    • Extra yearly costs of the S corp (optional): $3,250
    • Filing status (2026): Married filing jointly

    Find: Estimated yearly saving

  5. Problem 5.
    • Business profit before paying yourself: $120,000
    • Your reasonable salary: $80,000
    • Extra yearly costs of the S corp (optional): $2,500
    • Filing status (2026): Married filing separately

    Find: Estimated yearly saving

  6. Problem 6.
    • Business profit before paying yourself: $160,000
    • Your reasonable salary: $68,000
    • Extra yearly costs of the S corp (optional): $3,000
    • Filing status (2026): Married filing jointly

    Find: Estimated yearly saving

  7. Problem 7.
    • Business profit before paying yourself: $120,000
    • Your reasonable salary: $65,000
    • Extra yearly costs of the S corp (optional): $2,800
    • Filing status (2026): Married filing jointly

    Find: Estimated yearly saving

  8. Problem 8.
    • Business profit before paying yourself: $122,500
    • Your reasonable salary: $40,000
    • Extra yearly costs of the S corp (optional): $2,800
    • Filing status (2026): Single

    Find: Estimated yearly saving

  9. Problem 9.
    • Business profit before paying yourself: $150,000
    • Your reasonable salary: $51,000
    • Extra yearly costs of the S corp (optional): $3,750
    • Filing status (2026): Single

    Find: Estimated yearly saving

  10. Problem 10.
    • Business profit before paying yourself: $140,000
    • Your reasonable salary: $40,000
    • Extra yearly costs of the S corp (optional): $3,200
    • Filing status (2026): Single

    Find: Estimated yearly saving

Answer key: S Corp Tax worksheet

  1. 1. Estimated yearly saving: $3,892.96

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $120,000.00×92.35%=$110,820.00
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $13,741.68+$3,213.78=$16,955.46
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $3,875.00+$906.25=$4,781.25
    4. The company pays a matching share, so double it

      $4,781.25+$4,781.25=$9,562.50
    5. Subtract to see the tax you'd save before costs

      $16,955.46−$9,562.50=$7,392.96
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $7,392.96−$3,500.00=$3,892.96
  2. 2. Estimated yearly saving: $2,049.07

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $95,000.00×92.35%=$87,732.50
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $10,878.83+$2,544.24=$13,423.07
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $3,596.00+$841.00=$4,437.00
    4. The company pays a matching share, so double it

      $4,437.00+$4,437.00=$8,874.00
    5. Subtract to see the tax you'd save before costs

      $13,423.07−$8,874.00=$4,549.07
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $4,549.07−$2,500.00=$2,049.07
  3. 3. Estimated yearly saving: $4,940.46

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $120,000.00×92.35%=$110,820.00
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $13,741.68+$3,213.78=$16,955.46
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $3,410.00+$797.50=$4,207.50
    4. The company pays a matching share, so double it

      $4,207.50+$4,207.50=$8,415.00
    5. Subtract to see the tax you'd save before costs

      $16,955.46−$8,415.00=$8,540.46
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $8,540.46−$3,600.00=$4,940.46
  4. 4. Estimated yearly saving: $1,969.60

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $90,000.00×92.35%=$83,115.00
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $10,306.26+$2,410.34=$12,716.60
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $3,038.00+$710.50=$3,748.50
    4. The company pays a matching share, so double it

      $3,748.50+$3,748.50=$7,497.00
    5. Subtract to see the tax you'd save before costs

      $12,716.60−$7,497.00=$5,219.60
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $5,219.60−$3,250.00=$1,969.60
  5. 5. Estimated yearly saving: $2,215.46

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $120,000.00×92.35%=$110,820.00
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $13,741.68+$3,213.78=$16,955.46
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $4,960.00+$1,160.00=$6,120.00
    4. The company pays a matching share, so double it

      $6,120.00+$6,120.00=$12,240.00
    5. Subtract to see the tax you'd save before costs

      $16,955.46−$12,240.00=$4,715.46
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $4,715.46−$2,500.00=$2,215.46
  6. 6. Estimated yearly saving: $9,203.28

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $160,000.00×92.35%=$147,760.00
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $18,322.24+$4,285.04=$22,607.28
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $4,216.00+$986.00=$5,202.00
    4. The company pays a matching share, so double it

      $5,202.00+$5,202.00=$10,404.00
    5. Subtract to see the tax you'd save before costs

      $22,607.28−$10,404.00=$12,203.28
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $12,203.28−$3,000.00=$9,203.28
  7. 7. Estimated yearly saving: $4,210.46

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $120,000.00×92.35%=$110,820.00
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $13,741.68+$3,213.78=$16,955.46
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $4,030.00+$942.50=$4,972.50
    4. The company pays a matching share, so double it

      $4,972.50+$4,972.50=$9,945.00
    5. Subtract to see the tax you'd save before costs

      $16,955.46−$9,945.00=$7,010.46
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $7,010.46−$2,800.00=$4,210.46
  8. 8. Estimated yearly saving: $8,388.70

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $122,500.00×92.35%=$113,128.75
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $14,027.97+$3,280.73=$17,308.70
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $2,480.00+$580.00=$3,060.00
    4. The company pays a matching share, so double it

      $3,060.00+$3,060.00=$6,120.00
    5. Subtract to see the tax you'd save before costs

      $17,308.70−$6,120.00=$11,188.70
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $11,188.70−$2,800.00=$8,388.70
  9. 9. Estimated yearly saving: $9,641.32

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $150,000.00×92.35%=$138,525.00
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $17,177.10+$4,017.23=$21,194.32
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $3,162.00+$739.50=$3,901.50
    4. The company pays a matching share, so double it

      $3,901.50+$3,901.50=$7,803.00
    5. Subtract to see the tax you'd save before costs

      $21,194.32−$7,803.00=$13,391.32
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $13,391.32−$3,750.00=$9,641.32
  10. 10. Estimated yearly saving: $10,461.37

    1. As a sole proprietor, self-employment tax applies to your whole profit. First take 92.35% of it, as the IRS does

      $140,000.00×92.35%=$129,290.00
    2. Apply 12.4% for Social Security, up to the $184,500.00 limit, and 2.9% for Medicare

      $16,031.96+$3,749.41=$19,781.37
    3. As an S corp, payroll taxes apply only to your salary. Take the employee's 6.2% for Social Security and 1.45% for Medicare

      $2,480.00+$580.00=$3,060.00
    4. The company pays a matching share, so double it

      $3,060.00+$3,060.00=$6,120.00
    5. Subtract to see the tax you'd save before costs

      $19,781.37−$6,120.00=$13,661.37
    6. Take off the extra costs of running the S corp. This is your estimated yearly saving

      $13,661.37−$3,200.00=$10,461.37