Answer
Revenue = Cost + Profit
$=\left[\begin{array}{rrr}
11,800 & 16,200 & 18,400\\
9,400 & 13,700 & 15,200\\
10,500 & 16,000 & 13,300
\end{array}\right]$
Work Step by Step
Profit = Revenue - Cost
so
Revenue = Cost + Profit
$=\left[\begin{array}{lll}
1800 & 2200 & 2400\\
1400 & 1700 & 1200\\
1500 & 2000 & 1300
\end{array}\right]+\left[\begin{array}{lll}
10000 & 14000 & 16000\\
8000 & 12000 & 14000\\
9000 & 14000 & 12000
\end{array}\right]$
$=\left[\begin{array}{lll}
11,800 & 16,200 & 18,400\\
9,400 & 13,700 & 15,200\\
10,500 & 16,000 & 13,300
\end{array}\right]$
