41. Comparing Mutually Exclusive Projects (L04) Kingsmill Industrial Systems Company (KISC) is trying to decide between two different conveyor belt systems. System A costs $290,000, has a four-year life, and requires $80,000 in pre-tax annual operating costs. System B costs $375,000, has a six-year life, and requires $74,000 in pre-tax annual operating costs. Both systems are to be depreciated at 30% per year (Class 10) and will have no salvage value. Whichever project is chosen, it will not be replaced when it wears out. If the tax rate is 34% and the discount rate is 8%, which project should the firm choose