1) You pay off a 20 year, $50,000 loan with equal payments K at the end of each year, where for the first 5 years effective annual interest is i=.03 and for the last 15 years, effective annual interest is i=.04. Immediately after receiving the loan payments, the loan company deposits the payments into an account earning effective annual interest rate i=.05. Find the accumulated value in the account after the 20 years