Subscription Cost worksheet

1. Total per month: $48.93

1. Turn subscription 3 ($160.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$160.00}}{12}$$=\mathrm{\$13.33}$

2. Add the 4 monthly costs

   $\mathrm{\$14.00}+\mathrm{\$14.00}+\mathrm{\$13.33}+\mathrm{\$7.60}$$=\mathrm{\$48.93}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$48.93}\times 12$$=\mathrm{\$587.20}$

4. Multiply by 4 for the cost over 4 years at today's prices

   $\mathrm{\$587.20}\times 4$$=\mathrm{\$2,348.80}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$7.60}\times 12$$=\mathrm{\$91.20}$

6. If that $7.60 a month were invested instead at 3% a year (0.246627% a month), after 48 months it would grow to

   $\mathrm{\$7.60}\times \frac{1.125509-1}{0.00246627}$$=\mathrm{\$386.77}$

2. Total per month: $53.08

1. Turn subscription 3 ($160.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$160.00}}{12}$$=\mathrm{\$13.33}$

2. Add the 4 monthly costs

   $\mathrm{\$16.50}+\mathrm{\$14.25}+\mathrm{\$13.33}+\mathrm{\$9.00}$$=\mathrm{\$53.08}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$53.08}\times 12$$=\mathrm{\$637.00}$

4. Multiply by 4 for the cost over 4 years at today's prices

   $\mathrm{\$637.00}\times 4$$=\mathrm{\$2,548.00}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$9.00}\times 12$$=\mathrm{\$108.00}$

6. If that $9.00 a month were invested instead at 4% a year (0.327374% a month), after 48 months it would grow to

   $\mathrm{\$9.00}\times \frac{1.169859-1}{0.00327374}$$=\mathrm{\$466.97}$

3. Total per month: $56.27

1. Turn subscription 3 ($200.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$200.00}}{12}$$=\mathrm{\$16.67}$

2. Add the 4 monthly costs

   $\mathrm{\$16.00}+\mathrm{\$12.00}+\mathrm{\$16.67}+\mathrm{\$11.60}$$=\mathrm{\$56.27}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$56.27}\times 12$$=\mathrm{\$675.20}$

4. Multiply by 6 for the cost over 6 years at today's prices

   $\mathrm{\$675.20}\times 6$$=\mathrm{\$4,051.20}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$11.60}\times 12$$=\mathrm{\$139.20}$

6. If that $11.60 a month were invested instead at 6% a year (0.486755% a month), after 72 months it would grow to

   $\mathrm{\$11.60}\times \frac{1.418519-1}{0.00486755}$$=\mathrm{\$997.38}$

4. Total per month: $52.75

1. Turn subscription 3 ($150.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$150.00}}{12}$$=\mathrm{\$12.50}$

2. Add the 4 monthly costs

   $\mathrm{\$19.00}+\mathrm{\$9.50}+\mathrm{\$12.50}+\mathrm{\$11.75}$$=\mathrm{\$52.75}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$52.75}\times 12$$=\mathrm{\$633.00}$

4. Multiply by 5 for the cost over 5 years at today's prices

   $\mathrm{\$633.00}\times 5$$=\mathrm{\$3,165.00}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$11.75}\times 12$$=\mathrm{\$141.00}$

6. If that $11.75 a month were invested instead at 5% a year (0.407412% a month), after 60 months it would grow to

   $\mathrm{\$11.75}\times \frac{1.276282-1}{0.00407412}$$=\mathrm{\$796.81}$

5. Total per month: $43.08

1. Turn subscription 3 ($130.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$130.00}}{12}$$=\mathrm{\$10.83}$

2. Add the 4 monthly costs

   $\mathrm{\$10.00}+\mathrm{\$11.00}+\mathrm{\$10.83}+\mathrm{\$11.25}$$=\mathrm{\$43.08}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$43.08}\times 12$$=\mathrm{\$517.00}$

4. Multiply by 5 for the cost over 5 years at today's prices

   $\mathrm{\$517.00}\times 5$$=\mathrm{\$2,585.00}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$11.25}\times 12$$=\mathrm{\$135.00}$

6. If that $11.25 a month were invested instead at 5% a year (0.407412% a month), after 60 months it would grow to

   $\mathrm{\$11.25}\times \frac{1.276282-1}{0.00407412}$$=\mathrm{\$762.90}$

6. Total per month: $53.00

1. Turn subscription 3 ($180.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$180.00}}{12}$$=\mathrm{\$15.00}$

2. Add the 4 monthly costs

   $\mathrm{\$17.50}+\mathrm{\$10.50}+\mathrm{\$15.00}+\mathrm{\$10.00}$$=\mathrm{\$53.00}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$53.00}\times 12$$=\mathrm{\$636.00}$

4. Multiply by 4 for the cost over 4 years at today's prices

   $\mathrm{\$636.00}\times 4$$=\mathrm{\$2,544.00}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$10.00}\times 12$$=\mathrm{\$120.00}$

6. If that $10.00 a month were invested instead at 5% a year (0.407412% a month), after 48 months it would grow to

   $\mathrm{\$10.00}\times \frac{1.215506-1}{0.00407412}$$=\mathrm{\$528.96}$

7. Total per month: $47.08

1. Turn subscription 3 ($145.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$145.00}}{12}$$=\mathrm{\$12.08}$

2. Add the 4 monthly costs

   $\mathrm{\$14.00}+\mathrm{\$11.00}+\mathrm{\$12.08}+\mathrm{\$10.00}$$=\mathrm{\$47.08}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$47.08}\times 12$$=\mathrm{\$565.00}$

4. Multiply by 4 for the cost over 4 years at today's prices

   $\mathrm{\$565.00}\times 4$$=\mathrm{\$2,260.00}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$10.00}\times 12$$=\mathrm{\$120.00}$

6. If that $10.00 a month were invested instead at 4% a year (0.327374% a month), after 48 months it would grow to

   $\mathrm{\$10.00}\times \frac{1.169859-1}{0.00327374}$$=\mathrm{\$518.85}$

8. Total per month: $45.17

1. Turn subscription 3 ($110.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$110.00}}{12}$$=\mathrm{\$9.17}$

2. Add the 4 monthly costs

   $\mathrm{\$15.00}+\mathrm{\$12.00}+\mathrm{\$9.17}+\mathrm{\$9.00}$$=\mathrm{\$45.17}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$45.17}\times 12$$=\mathrm{\$542.00}$

4. Multiply by 6 for the cost over 6 years at today's prices

   $\mathrm{\$542.00}\times 6$$=\mathrm{\$3,252.00}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$9.00}\times 12$$=\mathrm{\$108.00}$

6. If that $9.00 a month were invested instead at 4% a year (0.327374% a month), after 72 months it would grow to

   $\mathrm{\$9.00}\times \frac{1.265319-1}{0.00327374}$$=\mathrm{\$729.40}$

9. Total per month: $52.93

1. Turn subscription 3 ($130.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$130.00}}{12}$$=\mathrm{\$10.83}$

2. Add the 4 monthly costs

   $\mathrm{\$17.00}+\mathrm{\$14.60}+\mathrm{\$10.83}+\mathrm{\$10.50}$$=\mathrm{\$52.93}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$52.93}\times 12$$=\mathrm{\$635.20}$

4. Multiply by 6 for the cost over 6 years at today's prices

   $\mathrm{\$635.20}\times 6$$=\mathrm{\$3,811.20}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$10.50}\times 12$$=\mathrm{\$126.00}$

6. If that $10.50 a month were invested instead at 4% a year (0.327374% a month), after 72 months it would grow to

   $\mathrm{\$10.50}\times \frac{1.265319-1}{0.00327374}$$=\mathrm{\$850.97}$

10. Total per month: $49.00

1. Turn subscription 3 ($180.00 a year) into a monthly cost, so it can be added to the others

   $\frac{\mathrm{\$180.00}}{12}$$=\mathrm{\$15.00}$

2. Add the 4 monthly costs

   $\mathrm{\$15.00}+\mathrm{\$8.00}+\mathrm{\$15.00}+\mathrm{\$11.00}$$=\mathrm{\$49.00}$

3. Multiply by 12 months to get the yearly cost

   $\mathrm{\$49.00}\times 12$$=\mathrm{\$588.00}$

4. Multiply by 5 for the cost over 5 years at today's prices

   $\mathrm{\$588.00}\times 5$$=\mathrm{\$2,940.00}$

5. Find the yearly cost of the subscriptions you rarely use

   $\mathrm{\$11.00}\times 12$$=\mathrm{\$132.00}$

6. If that $11.00 a month were invested instead at 3% a year (0.246627% a month), after 60 months it would grow to

   $\mathrm{\$11.00}\times \frac{1.159274-1}{0.00246627}$$=\mathrm{\$710.39}$