Tim Smunt has been asked to evaluate two machines. After some investigation, he determines that they have the costs shown in the following table: D He is told to assume that: 1. The life of each machine is 3 years. Original Cost Labor per year Machine A $12,000 Machine B $24,000 $2,400 $4,400 Maintenance per year Salvage value $4,000 $1,000 $1,600 $7,200 2. The company thinks it knows how to make 12% on investments no more risky than this one. 3. Labor and maintenance are paid at the end of the year. The NPV for Machine A = $ (round your response to the nearest whole number and include a minus sign if necessary).