A manufacturing firm is choosing between two models of equipment that would lessen labor costs. Machine A has a purchase price of $36,500 and $36,300 for Machine B. You have additional data for repair costs per machine: Machine A $1,500 at end of year 5 $2,000 at end of year 10 Machine B $3,800 at end of year 9 How much is the savings amount for your chosen alternative if the firm is earning 7% return on its capital