Please solve all 4 parts with detailed workings:

You work for a nuclear research laboratory that is contemplating leasing a diagnostic scanner (leasing is a very common practice Pase917 with expensive, high-tech equipment). The scanner costs $4.3 million, and it would be depreciated straight-line to zero over four years. Because of radiation contamination, it actually will be completely valueless in four years. You can lease it for $1.275 million per year for four years. 1. Lease or Buy [ LO3] Assume that the tax rate is 21 percent. You can borrow at 8 percent before taxes. Should you lease or buy? 2. Leasing Cash Flows [[ LO3] What is the NAL of the lease from the lessor's viewpoint? Assume a 21 percent tax rate. 4. Taxes and Leasing Cash Flows [ LO3] Assume that your company does not anticipate paying taxes for the next several years. What are the eash flows from leasing in this case? 5. Setting the Lease Payment [ LO3] In Problem 4, over what range of lease payments will the lease be profitable for both parties