B. CONSUMER LOANS: CALCULATING MONTHLY PAYMENTS 2. Carlos Menton purchases a new laptop computer from Knox Computer Solutions for $1499. If the sales tax is 4.25% of the purchase price and Carlos finances the total cost, including sales tax, for 3 years at an annual interest rate of 8.4%, find the monthly payment C. CONSUMER LOANS: CALCULATING LOAN PAYOFFS 3. Aaron Jefferson has a 5-year car loan based on an annual percentage rate of 8.4%. The monthly payment is $592.57. After 3 years, Aaron decides to purchase a new car and must pay off his car loan. Find the pay-off amount