The parks department is currently evaluating proposals from different food vendors to award a contract tor a new food kiosk in the town's main park. The net cash flows associated with each vendor's proposal are listed below: a. If the discount rate is 2.5%, what is the net present value of each option? (Use your calculator. You do not need to show your work on this problem.) Vendor A: Vendor B: b. Which option should the parks department choose