7. You want to purchase a new condominium that costs $287,500. Your plan is to pay 25 percent down in cash and finance the balance over 15 years at 3.65 percent. What will be your monthly mortgage payment including principal and interest?

What I put: PV= $287,500 N= 15 I= 25 PMT= ???

5. You have $5,000 you want to invest for the next 45 years. You are offered an investment plan that will pay you 6 percent per year for the next 15 years and 10 percent per year for the last 30 years. How much will you have at the end of the 45 years?

**Please show me how you got the answers so I can learn!!!**