Matrix Operations and Their Applications
1 Use Matrix Notation
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question 136

Multiple Choice

Matrix Operations and Their Applications
1 Use Matrix Notation
- $$\left[ \begin{array} { c c c c c } 3 & 7 & 6 & 7 & - 3 \\3 & - e & - 15 & - 13 & \pi \\- 6 & 9 & - 12 & 12 & 8 \\\frac { 1 } { 3 } & 9 & 6 & - 1 & 5\end{array} \right] ; a _ { 34 }$$

• A) \(4 \times 5 ; 12\)
• B) \(5 \times 4 ; 6\)
• C) \(20 ; 8\)
• D) \(4 \times 4 ; - 12\)

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Definitions:

Total Manufacturing Cost Variance

The difference between actual manufacturing costs and the standard costs of those manufactured items.

Direct Labor Cost Variance

The difference between the budgeted or standard cost of direct labor and the actual cost incurred, used in variance analysis for cost control.

Factory Overhead Cost Variance

The difference between the actual overhead costs incurred and the expected (or standard) costs, relating to production.

Variances From Standard

The differences between actual costs and the standard (expected) costs set by a company for its products or processes.