The caps have a contribution margin of $10.00 per dozen. Fixed costs associated with the additional production (other than depreciation expense) will be negligible. Salvage value and the investment in working capital should be ignored. TopCap Co.'s cost of capital for this capacity expansion has been set at 12%. Required:

The caps have a contribution margin of $5.00 per dozen. Fixed costs associated with the additional production (other than depreciation expense) will be negligible. Salvage value and the investment in working capital should be ignored. TopCap Co.'s cost of capital for this capacity expansion has been set at 16%. Required:

1. Calculate the net present value of the proposed investment in the new sewing machine.
2. Calculate the present value ratio of the investment.
3. What is the internal rate of return of this investment relative to the cost of capital?
4. Calculate the payback period of the investment.