b) Suppose you will invest $200 per month at the beginning of the month for 40 years with interest rate of 8.25% per year. Find the total amount of capital at the end of your investment. What percentage is your total return? c) Suppose you borrow $500,000 to buy a new house with yearly interest rate of 4.25%. You are required to pay the loan in 30 years. How much is your monthly payment if you make payment ones every month? How much is your yearly payment if you make payment once a year