The project manager of a steel manufacturing factory in Hamilton puts forth a proposal to the senior management for the immediate purchase of a specialized machine that costs $2,750,000. She forecasted that it would increase the profits through improved productivity by $1,200,000 in the first year, $1,150,000 in the second year, and $960,400 in the third year. At the end of the third year, the machine would have a salvage value of $500,000. Compute the NPV and determine if this is a sound investment proposal for a cost of capital of: A. 10%? B. 15%? C. 20%?