Page $4$ of $6$

Q $2.$

In order to improve the recovery of highly brackish groundwater, the engineer at Clean Water Engineering has established three alternatives for this project. Assess all of the following projects, using MARR of $10\%$ per year.

$\backslash$table$[[$Alternative$,x,$Y$,$z$],[$First Cost, $$,300,000,250,000,125,000],[$Annual operating cost, $$,\backslash$table$[[95,000$ starting$],[$year $2]],\backslash$table$[[130,000$ in first year$],[$and decreases by$],[$$$2,000$ thereafter$]],\backslash$table$[[65,000$ in year $3],[$and increases by$],[10\%$ thereafter$]]],[$Annual income, $$,175,000,220,000,190,000],[\backslash$table$[[$Major maintenance in every $8],[$years$,$ $