A-C please

A heavy construction company plans to purchase a front loader with a price tag of $74,593. The company plans to finance the purchase with a loan. The down payment is $12,552 and the Ioan stipulates uniform monthly payment at 3% annual percentage rate (APR) for 5 years. - What is the monthly_payment? If the APR in question 3 is 2.3%, what is the effective interest rate of the loan? (please provide the answer in percentages and keep two decimal places; for example: if the answer is 5.376%, please input 5.38 in the box) A contractor estimates maintenance costs for a new backhoe to be $237 for the first month with a monthly increase of 0.5%. If the annual interest rate is 6%. The contractor is planning to sell it after 4 year. What is the present value of the maintenance cost