5. Go to the Amortization worksheet. In cell C17, enter a formula using the CUMIPMT function to calculate the cumulative interest paid on the loan after the first year (payments 1 through 12) when the payments are made at the start of the period (Hint: Use 0 as the type argument in your formula). Use absolute references for the RATE, NPER, and PV arguments and relative references for the Start and End arguments. Copy the formula from cell C17 to the range D17:G17.