if you ciuld please answer both questions that would be great. thank you!

A project costs $20,000 today and is expected to generate cash inflows of $5,000 per year for the next six years. According to the NPV rule, is this a good project? A Yes B No C Depends on the discount rate You are interested in buying a vending machine for $4,000 and placing it at a friend's business. If the present value of all future expected cash inflows (net of costs) from this vending machine is $4,500, what is the net present value of this purchase to you? A Negative $500 B Positive $500 $4,500