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Max plans to open a do-it-yourself dog bathing center in a storefront. The bathing equipment will cost $160,000. Max expects the after-tax cash inflows to be $40,000 annually for seven years, after which he plans to scrap the equipment and retire to the beaches of Cuba. What is the project's payback period? Select one: a. 1.5 years b. 3.3 years c. 2.0 years d. 4.0 years e. 4.3 years