Staar, Inc. is making an equipment investment of $90,000 which will be depreciated straight line for 8 years down to a zero salvage value. For its 10-year life, the investment will generate annual sales of $15,000 and annual cash operating expenses of $6.000. Although the equipment is depreciated to a zero book value, it should sell for $12,000 in 8 years. The marginal income tax rate is 21% and the cost of capital is 12%. What is the NPV of the investment? Please click on the following link to access a blank Excel-type worksheet: Blank XLS Worksheets ! Click to open $39.115.22 0-$17.366.35 0 $21,842.58 $27.061.82