Tuff Wheels also has provided the project plan shown as follows. As can be seen in the project plan, the company thinks that the product life will be three years until a new product must be created. Assume all cash flows occur at the end of each period. a. What is the net present value (discounted at 8% ) of this project? Consider all costs and expected revenues. (Enter your answer In thousends of dollers. Perform all calculatlons using Excel. Do not round any Intermedlete calculetlons. Round your answer to the nearest thousend.) b. What is the impact on NPV for the Kiddy Dozer if the actual sales are 50,000 per year? 70,000 per year? (Enter your answer In thousends of dollers. Perform all calculatlons using Excel. Do not round ony Intermedlate calculetlons. Round your answer to the nearest thousend.) c. Based on the original sales level of 60,000 , what is the effect on NPV caused by changing the discount rate to 9%, 10%, or 11% ? (Enter your answer In thousands of dollers. Perform all calculatlons using Excel. Do not round ony Intermedlate calculations. Round your enswer to the neorest thousend.)