A Corporation Has Three Factories,each of Which Manufactures Acoustic Guitars $$A = \left[ \begin{array} { c c c } 50 & 30 & 35 \\25 & 100 & 60\end{array} \right]$$

Multiple Choice

A corporation has three factories,each of which manufactures acoustic guitars and electric guitars.The number of units of guitars produced at factory j in one day is represented by a_ij in the matrix​ $$A = \left[ \begin{array} { c c c } 50 & 30 & 35 \\25 & 100 & 60\end{array} \right]$$ . ​
Find the production levels if production is increased by 20%.
​

A) $$\left[ \begin{array} { c c c } 80 & 36 & 42 \\30 & 120 & 72\end{array} \right]$$
B) $$\left[ \begin{array} { c c c } 65 & 36 & 42 \\30 & 120 & 72\end{array} \right]$$
C) $$\left[ \begin{array} { c c c } 75 & 36 & 42 \\30 & 120 & 72\end{array} \right]$$
D) $$\left[ \begin{array} { c c c } 70 & 36 & 42 \\30 & 120 & 72\end{array} \right]$$
E) $$\left[ \begin{array} { c c c } 60 & 36 & 42 \\30 & 120 & 72\end{array} \right]$$