Please Help

Aria Acoustics, Incorporated (AAI), projects unit sales for a new 7-octave voice emulation implant as follows: Year Unit Sales 1 72,600 2 78,000 3 83,000 80,900 67,100 Production of the implants will require $1,420,000 in net working capital to start and additional net working capital investments each year equal to 15 percent of the projected sales increase for the following year. Total fixed costs are $3,500,000 per year, variable production costs are $137 per unit, and the units are priced at $319 each. The equipment needed to begin production has an installed cost of $17,900,000. Because the implants are intended for professional singers, this equipment is considered industrial machinery and thus qualifies as 7-year MACRS property. In five years, this equipment can be sold for about 20 percent of its acquisition cost. The tax rate is 22 percent and the required return is 16 percent. (MACRS schedule) a. What is the NPV of the project? (Do nt round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) b. What is the IRR of the project? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. NPV b. IRR 45