6- The manager in a canned food processing plant is trying to decide between two labeling machines. Machine A Machine B $15,000 $25,000 First cost Maintenance and operating cost 1,600 Annual benefit Salvage value Useful life, in years 400 8,000 13,000 3,000 6,000 10 Assume an interest rate of 6%. Use annual cash flow analysis to determine which machine should be chosen