please help my calcultions are incorrwct, show how you find this step by step using excel?

231 49 QUESTION 19 Joe Smith has $80,000 in student loans His bank charges 4% APR compounded monthly Joe wants to pay of his student loans in 5 years, calculate the amount he must pay sach month to eliminate the debt. (Entor a positive value and rougd to 2 decimals) 1206.66 QUESTION 20 Joe Smith has 50.000 in student loans His bank charges 45 APR (compounded monthly) Suppose Joe can only afford to pay 500 per month warsti student loans Calculate the number of months will take to payoff his student loans (Round up to the nearest who be Click Save and submit and Chick Sloan alle