The following matrices have already been defined in MATLAB: 
What would be the outputs of the following MATLAB inputs:
->> A(2:3,:)
Definitions:
Job-Order Costing
A cost accounting system that accumulates costs per job rather than process, suitable for firms producing unique or custom products.
Predetermined Overhead Rate
A rate used to apply manufacturing overhead to products, calculated before the manufacturing process begins.
Machine-Hours
A unit of measure for the amount of time a machine is operated, used in costing and operational efficiency analysis.
Plantwide Predetermined Rate
A single overhead rate calculated by dividing total estimated overhead costs by an expected base for the entire plant.
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