Oakmont Company has an opportunity to manufacture and sell a new product for a four-year period. The company's discount rate is 18%. After careful study, Oakmont estimated the following costs and revenues for the new product: Cost of equipment needed $220,000 Working capital needed $ 81,000 Overhaul of the equipment in two years $ 7,500 Salvage value of the equipment in four years $10,500 Annual revenues and costs: Sales revenues $370,000 Variable expenses $180,000 Fixed out-of-pocket operating costs $82,000 When the project concludes in four years the working capital will be released for investment elsewhere within the company. Click here to view Exhibit 11B-1 and Exhibit 11B-2, to determine the appropriate discount factor(s) using tables. Required: Calculate the net present value of this investment opportunity. (Use the appropriate table to determine the discount factor(s).)