I need help on #2 only

Matheson Electronics has just developed a new electronic device that it believes will have broad market appeal. The company has performed marketing and cost studies that revealed the following information: a New equipment would have to be acquired to produce the device. The equipment would cost $180,000 and have a six-year useful life. After six years, it would have a salvage value of about $12,000. b. Sales in units over the next six years are projected to be as follows: Year 1 2 3 4-6 Sales In Units 8,500 13,500 15,500 17.500 c Production and sales of the device would require working capital of $49,000 to finance accounts receivable, inventories, and day. to-day cash needs. This working capital would be released at the end of the project's life d. The devices would sell for $35 each, variable costs for production, administration, and sales would be $20 per unit e Fixed costs for salaries, maintenance, property taxes, insurance, and straight-line depreciation on the equipment would total $153,000 per year (Depreciation is based on cost less salvage value) To gain rapid entry into the market the company would have to advertise heavily. The advertising costs would be: Year 1-2 3 4-5 Amount of Yearly Advertising $ 47,000 558,000 $48.000 9. The company's required rate of return is 9% Click here to view Exhibit 14.1 and Exhibit 148-2. to determine the appropriate discount factors) using tables Required: 1 Compute the net cash inflow (incremental contribution margin minus incremental fixed expenses) anticipated from sale of the device for each year over the next six years 2- Using the data computed in (1) above and other data provided in the problem, determine the net present value of the proposed investment 7. Warum Mathaennarrant the mean