hi, please answer this with hand written work, and the work you would put inside the calculator. please do not use excel tables as I will not have access to that when i get tested on this material. thank you. these are pretty straight forward.

You receive a 3-year $20,000 loan with an interest rate of 8% p.a., to be repaid in three annual installments. The loan requires that you make two equal total payments of $2,000 at t=1 and t=2, with the remaining loan balance paid at maturity. What is the total payment amount at t=3, rounded to the nearest dollar? QUESTION 2 You receive a 4-year $28,000 loan with an interest rate of 5% p.a., to be repaid in four annual installments. The loan requires that you make total payments of $5,000 at t=1,$1,000 at t=2, and $4,000 at t=3, with the remaining loan balance paid at maturity. What is the total payment amount at t=4, rounded to the nearest dollar? QUESTION 3 You receive a $15,000 4-year constant payment loan (CPL). The loan's annual interest rate is 14%. What is the principal portion of the total payment in year 4 , rounded to the nearest dollar