Answer:
1. a. $20,199.85
b. One time payment of $18,850.
Step-by-step explanation:
1. a. Find the present value of $660 per month (annuity) and $12,000 at the end of 25 months.
Period = 25 months
Interest = 24% / 12 months = 2%
Present value of annuity = 660 * ( 1 - (1 + 2%) ⁻²⁵) / 2%
= $12,885.48
Present value of $12,000 at end of 25 months.
= 12,000 / ( 1 + 2%)²⁵
= $7,314.37
Present value = 12,885.48 + 7,314.37
= $20,199.85
1.b. Making a one time payment of $18,850 is the better deal.