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7. A company is planning to purchase a new machine to meet increased demand. Both options under consideration have useful lives of 10 years and no salvage value at the end. Cash flows for both are as follows: Annual maintenance Annual Machine Initial Cost costs income A 400,000 20,000 80,000 B 650,000 30,000 160,000 Use NPV analysis to determine which machine would be a better option. Interest rate is 8%. (Hint: first compute the net annual benefit = annual cost -annual income)