need NPV for machine a and machine b. thanks

Tim Smunt has been asked to evaluate two machines. After some investigation, he determines that they have the costs shown in the following table: He is told to assume that: 1. The life of each machine is 3 years. 2. The company thinks it knows how to make 8% 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)