%10 per year

Cid the kion io vew tre descrytion el the whemative. \begin{tabular}{lrrr} \hline & Furnace A & Furnace B & Furnace C \\ \hline Initial investment & $430,000 & $370,000 & $250,000 \\ Annual revenues * & $60,000 & $70,000 & $60,000 \\ Annual cost * & $7,000 & $5,000 & $10,000 \\ Salvage value & $40,000 & $30,000 & $30,000 \\ Life of asset & 10 years & 10 years & 10 years \\ \hline \end{tabular} "Annual revenue and cost figures are increases over the "do nothing" alternative (DN)