The Expresso Roast Corporation is considering the purchase of a new bean roaster and grinder. The revenues are expected to be the same for Expresso Roast no matter which machine is acquired. The Quick-Roast machine has a cost of $75,000 and is expected to last 4 years with operating costs of $12,000 per year. The Mellow-Roast Co. machine has a cost of $50,000 and operating costs of $4,500 per year but will last for only 2 years. The discount rate is 8%. What is the present value of the costs? What is the EAC and which machine should be chosen?