Now Elena asks you to calculate the annual principal and interest payments for the airport shuttle service expansion. Go to the Loan Details worksheet. In cell B9, enter a formula using the CUMPRINC function to calculate the cumulative principal paid for Year 1 (payment 1 in cell B7 through payment 4 in cell B8). Use 0as the type argument in your formula because payments are made at the start of the period. Use absolute references for the rate, nper, and pv arguments, which are listed in the range A3:G3. Use relative references for the start and end arguments. Fill the range C9:F9 with the formula in cell B9 to calculate the principal paid in Years 2–5 and the total principal. In cell B10, enter a formula using the CUMIPMT function to calculate the cumulative interest paid on the loan for Year 1 (payment 1 in cell B7 through payment 4 in cell B8). Use 0 as the type argument. Use absolute references for the rate, nper, and pv arguments, and use relative references for the start