The Best Manufacturing Company is considering a new investment. Financial projections for the investment are tabulated below. $($Cash flows are in $ thousands and the corporate tax rate is $34$ percent.$)$

$\backslash$table$[[,$Year $0,$Year $1,$Year $2,$Year $3,$Year $4],[$Sales revenue,,$7,000,7,000,7,000,7,000],[\backslash$table$[[$Operating costs$]],,2,000,2,000,2,000,2,000],[\backslash$table$[[$Investment$],[$Depreciation$]],10,000,,,,],[\backslash$table$[[$Net working capital$],[,($end of year$)]],200,2,500,2,500,2,500,2,500],[,,,300,200,0]]$

a$.$ Compute the incremental net income of the investment.

b$.$ Compute the incremental cash flows of the investment.

c$.$ Suppose the appropriate discount rate is $12$ percent. What is the NPV of the project?