4. How much money does Albert need to deposit (one time) into his investment account today if he wishes to withdraw $15,000 per year for the next twenty-five years at the end of every year? He expects to earn an average rate of return of 7 percent in the investment account 5. The Purple Pillow is a bed-and-breakfast that is planning to spend $238,700 on remodeling an old mansion to add modern facility. It borrowed 70% of the total cost from a 15-year loan with 9 percent APR interest rate. What is the amount of each monthly payment