A Project Requires an Initial Investment in Equipment of $90,000

A project requires an initial investment in equipment of $90,000 and then requires an investment in working capital of $10,000 at the beginning (t = 0) . The project is expected to produce sales revenues of $120,000 for three years. Manufacturing costs are estimated to be
60% of the revenues. The assets are depreciated using straight-line depreciation. At the end of the project, the firm can sell the equipment for $10,000. The corporate tax rate is 30% and the cost of capital is 15%. What would the NPV of the project be if the revenues were higher by
10% and the costs were 65% of the revenues?

A) $8443
B) $964
C) $5566
D) None of the above