Carbide Chemical Company is considering the replacement of two old machines with a new, more efficient machine. It has determined that the relevant after-tax incremental operating cash flows of this replacement proposal are as follows: END OF YEAR Cash flows $404,424 $86,890 $106,474 $91,612 END OF YEAR Cash flows $84,801 $84,801 $75,400 $66,000 $92,400 What is the net present value, payback period, and profitability index? Assume that the required return for this project is 14%. Is the project acceptable