Show work please.

a. Aron buys a used car by paying S1500 as down payment and 182.50 a month for 3 years. The interest rate on the loan is 18% compounded monthly. a. What is the price of the car? b. What was the total interest on the loan? b. Assume that an investor invests all of her wealth of $2,000 into stock H with the expected Retum of 12% and standard deviation of 25.5. She borrows an additional $1200 at the risk-free rate of 3.5% and invest in H. Estimate the expected return and standard deviation for this portfolio