Given $A = \left[ \begin{array} { c c } 3 & - 1 \\2 & 2\end{array} \right]$

question 23

Essay

Given $A = \left[ \begin{array} { c c } 3 & - 1 \\2 & 2\end{array} \right]$ and $B = \left[ \begin{array} { c c } 2 & 3 \\- 1 & 5\end{array} \right]$ , find $A B$ , or explain why the operation cannot be performed.

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Definitions:

Fixed Costs

Costs that do not fluctuate with changes in production level or sales volume, such as rent, salaries, and insurance.