You receive a 4-year $24,000 loan with an interest rate of 6% p.a., to be repaid in four annual installments. The loan requires that you make total payments of $6,000 at t = 1, $1,000 at t = 2, and $3,000 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? You receive a $11,000 4-year constant payment loan (CPL). The loan's annual interest rate is 12%. What is the principal portion of the total payment in year 4, rounded to the nearest dollar? You receive a $10,000 5-year constant amortization loan (CAL). The loan's annual interest rate is 10%. What is the total payment in year 4, rounded to the nearest dollar? You receive a 4-year $13,000 negative amortization loan with an interest rate of 10% p.a., to be repaid in four annual installments. The loan requires that you make total payments of $400 at t = 1, $100 at t = 2, and $300 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