1. The Mobil oil company is trying to decide whether to lease or buy a new drilling system for its oil exploration business. Management has decided that it must use the system to stay competitive; it will provide $1.75 million in annual pretax cost savings. The system costs $8 million and will be depreciated straight-line to zero over five years. Mobil's tax rate is 34%, and the firm can borrow at 9%. Lambert Leasing company has offered to lease the drilling equipment to Mobil for payments of $1.9 million per year. Lambert's policy is to require its lessees to make payments at the start of the year. a. What is the NAL for Mobil? What is the maximum lease payment that would be acceptable to the company? (20 points) b. Suppose it is estimated that the equipment will have an after-tax residual value of $500,000 at the end of the lease. What is the maximum lease payment acceptable to the company now? (20 points)