Please help with Part B, thank you!

Monthly amortization schedule. Shorty and Sam want to purchase a condo at the coast. They will spend $860,000 on the condo and are taking out a loan for the condo for twenty years at 7.1% interest a. What is the monthly payment on the mortgage? Construct the amortization of the loan for the twenty years in a spreadsheet to show the interest cost, the principal reduction, andanding balance each month. b. Then change the amortization to reflect that after ten years. Sherry and Sam will increase their monthly payment to $7.400 per month. Whan will they fully repay the mortgage with this increased payment if they apply all the extra dollars above the original payment to the principal? The monthly payment on the mortgage is $ 5156 67 (Round to the nearest cont.) Construct the amortization of the loan for the twenty years in a spreadsheet to show the interest cost, the principal reduction, and the ending balance each month Complete the amortization schedule below to show the interest cost, the principal reduction and the ending balance for month 125 of the loon (Round to the nearest cent.) Loan Amount Interest Rate Yours for Loan $ 650,000 7.1% Beginning Monthly interest Principal Extra Ending Month Balance Payment Expense Reduction Principal Balance 125 S 431,906.78 $ 5,156.67 $ 0.00 2,555.45 $ 2,601.22 $ $ 429,305.57 b. Then change the amortization to reflect that after ten years, Sherry and Sam will increase their monthly payment to $7,400 per month Complete the amortization schedule for month 125 of the loan below: (Round to the nearest cont.) Loan Amount Interest Rate Years for Loan $ 660,000 7.1% 20 Monthly Beginning Interest Principal Extra Ending Month Balance Balance Payment Reduction Expense Principal $ 125 $ 7400 $ $ $ $