You are the financial analyst for a tennis racket manufacturer. The company is considering using a graphite-like material in its tennis rackets. The company has estimated the information in the table below about the market for a racket with the new material. The company expects to sell the racket for four years. The equipment required for the project has no salvage value and will be depreciated on a straight-line basis. The required return for projects of this type is 12 percent, and the company has a 21 percent tax rate. Calculate the NPV for each scenario. ( A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.)