Your father loans you $12,000 to make it through your senior year. His repayment schedule requires payments of $1,401.95 at the end of year for the next 15 years.
What interest rate is he charging you? A) 7.5% B) 8.0% C) 7.0% D) 8.5%
Please show work and formula used. Thank you so much!
This can be solved using the Present value of annuity formula |
Present value of annuity is = P*(1-(1+r)^-n)/r |
"P" is Annual payment = $ 1,401.95/. |
Present value of annuity is = Loan = $ 12,000/. |
"r" is Annual interest rate = ? |
"n"is No of years = 15 |
12000=1401.95*(1-(1+r)^-15)/r |
(1-(1+r)^-15)/r=(12000/1401.95) |
(1-(1+r)^-15)/r=8.55950640 |
(1-(1+r)^-15)=8.55950640*r |
Using trial and error method, r is = 8.00205% |
Interest rate charged is = 8% |
Option B) |
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