Bob designed a face shield for front line health workers. The new product is expected to gain $150000$ in revenue l$.$ The projects life cycle is five years. He will invest $$60,000$ in a $3$D printer with a salvage value of $$5054\mathrm{.}43.$ He anticipates an additional increase in working capital of $$50,000$ which he will recover at the end of the project. The projected annual revenues are $$150,000$ with annual operating expenses of $$130,000.$ The required rate of return is $10\%.$