1A. If you invest $6,000 today, how much will you have in 6 years at 6% (compounded semiannually)? 1B. If you borrow a principal amount of $6,489 and are required to repay the loan in five equal installments of $1,800, what is the interest rate associated with the loan? 2. Robert and Rebecca Richardson have just signed a 30 -year, 6% fixed rate mortgage for $400,000 to buy their house. Find out this couple's monthly mortgage payment; prepare a loan amortization schedule for Richardson's for the first 2 months; find out how much of their payments applied to interest; and after 2 payments, how much of their principal will be reduced (You may construct a loan amortization schedule and show your calculations)