Please help me figure out Answers on excel

2.[5 pts] A borrower is faced with choosing between two fully amortizing level-payment loans. Loan A is available for $75,000 at 10% MEY for 30 years, with 6 points included in the closing costs. Loan B would be made for the same amount, but at 11% MEY for 30 years, with 2 points included in the closing costs. Neither loan defaults/is curtailed.

a.[4] If the loan is to be repaid after 15 years, which is the better choice?

b.[2] If the loan is repaid after 5 years, which is the better choice?

Hint: Use the effective cost of borrowing to make the decision. Show work.