The Best Manufacturing Company is considering a new investment. Financial projections for the investment are tabulated here. The corporate tax rate is $40$ percent. Assume all sales revenue is received in cash, all operating costs and income taxes are paid in cash, and all cash flows occur at the end of the year. All net working capital is recovered at the end of the project.

Year $0$ Year $1$ Year $2$ Year $3$ Year $4$

Investment $ $42,000$

Sales revenue $ $21,500$ $ $22,000$ $ $22,500$ $ $19,500$

Operating costs $4,5004,6004,7003,900$

Depreciation $10,50010,50010,50010,500$

Net working capital spending $480530580480?$

a$.$

Compute the incremental net income of the investment for each year. $($Do not round intermediate calculations.$)$

Year $1$ Year $2$ Year $3$ Year $4$

Net income $ $4800$ Numeric Response $1.$Edit Unavailable. $4800$ incorrect. $ $5340$ Numeric Response $2.$Edit Unavailable. $5340$ incorrect. $ $5700$ Numeric Response $3.$Edit Unavailable. $5700$ incorrect. $ $4620$ Numeric Response $4.$Edit Unavailable. $4620$ incorrect.

b$.$

Compute the incremental cash flows of the investment for each year. $($Do not round intermediate calculations. A negative answer should be indicated by a minus sign.$)$

Year $0$ Year $1$ Year $2$ Year $3$ Year $4$

Cash flow $ $-26320$ Numeric Response $5.$Edit Unavailable. $-26320$ incorrect. $ $8590$ Numeric Response $6.$Edit Unavailable. $8590$ incorrect. $ $8780$ Numeric Response $7.$Edit Unavailable. $8780$ incorrect. $ $9120$ Numeric Response $8.$Edit Unavailable. $9120$ incorrect. $ $9550$ Numeric Response $9.$Edit Unavailable. $9550$ incorrect.

c$.$

Suppose the appropriate discount rate is $12$ percent. What is the NPV of the project? $($Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

NPV $