How to solve for the Aftertax Loan Payment?

You work for a nuclear research laboratory that is contemplating leasing a diagnostic scanner (leasing is a very common practice with expensive, high-tech equipment). The scanner costs $7, 890,000, and it would be depreciated straight-line to zero over four years. Because of radiation contamination, it will actually be completely valueless in four years. You can lease it for $2, 375,000 per year for four years. Assume that the tax rate is 35 percent. Suppose the entire $7, 890,000 purchase price of the scanner is borrowed. The rate on the loan is 8 percent, and the loan will be repaid in equal annual installments. Calculate the amount of annual loan repayment. Complete the schedules given below and calculate the NAL