Susan Jones has a job as a pharmacist earning $45,000 per year, and she is deciding whether to take another job as the manager of another pharmacy for $55,000 per year or to purchase a pharmacy that generates revenue of $375,000 per year. To purchase the pharmacy, Susan would have to use her $30,000 savings and borrow another $80,000 at an interest rate of 9percent per year. The pharmacy that Susan is contemplating purchasing has additional expenses of $120,000 for prescription non-prescription drugs and lines of womens and mens personal hygiene products and cosmetics, $45,000 for one full time person and $20,000 for one part time person, $12,000 for rent and $2500 for electricity and $1300 for natural gas, $1200 for telecommunications and . Depreciation and amortization expenses are $4500. Assume that income and business taxes are 40% and the repayment of the principal of the loan does not start before three years. Also assume that revenue is expected to grow at 4% per year and expenses at 3% per year over the three years. Assume that Susan could buy a 3 year U.S. Treasury at an interest rate of 3% per year. (a) What would be the business and economic profit if Susan purchases the pharmacy? (b) Suppose that Susan expects to sell the pharmacy at the end of three years for $60,000 more than the price she paid for it and that she requires a 12 percent return on his investment. Should she still purchase the pharmacy?