(2) You are planning to buy a house after 15 years. It is estimated that the value of house will be $1,500,000 after 15 years. If your bank account gives you 8% of interest rate compounded annually, how much must you deposit per year? (10 points)

(3) In Question 3-(2), how much must you deposit per a half of year if your bank account gives you 7.5% of interest rate compounded semiannually? (10 points)