The manager of a canned food processing plant is trying to decide between two labelingmachines. Determine which should be selected on the basis of rate of return with a MARR of 20%per year. (i=30.3% ; select machine B)
Machine A B
First cost, $ -15,000 -25,000
Annual operating cost, $/year -1,600 -400
Salvage value, $3,000 4,000
Life, years 2 4
How do I show work for this by trail and error?