1. a. In order to purchase a car, Bob borrows $70,000 at an annual interest rate of 12% for 15 years. What is the monthly payment to amortize the loan? b. A $10,000 loan is to be amortized in 10 equal monthly payments at an annual interest rate of 12% on the unpaid balance. What is the unpaid balance after the third payment? (Round to the nearest dollar) c. Five years ago, a $980,000 apartment was financed by making a 20% down payment and signing a 20-year mortgage at 6% annual interest compounded monthly for the unpaid balance. How much of the first month's payment will apply towards reducing the unpaid loan? (Round to the nearest dollar) d. From part c, Suppose the current market value of this apartment is $1,200,000, please find the Equity of this apartment. (Round to the nearest dollar) e. Tom has deposited $7500 per month into an ordinary annuity. After 5 years, the annuity is worth $87985.45. What annual rate compounded semi-annually has this annuity earned during the 5 year period? (Round to the nearest integer)