6. Amortizing Loan. Consider a 25 -year amortizing loan. You borrow $5 million initially, and repay it in equal month-end payments (total 300 months). a. If the interest rate is 3.5%. What is the monthly payment? b. What is the Loan Balance after the 150th month payment? c. What is the "Year-end interest due on balance" of the 150th month? d. What if interest rate increases to 5% after 36 months from the time you started borrowing, what would be the new monthly payments