Let Matrix a Represent the Sales (In Thousands of Dollars)

question 52

Multiple Choice

Let matrix A represent the sales (in thousands of dollars) for the Walbash Company in 2004 in various cities, and let matrix B represent the sales (in thousands of dollars) for the same company in 2005 in the same cities. Write the matrix that represents the change in sales by type (wholesale and retail) and city (Chicago, Atlanta, and Memphis) from 2004 to 2005. ​ ​ ; ​

---

Definitions:

Direct Labor

Costs associated with the employees who are directly involved in the production of goods or services, such as wages for factory workers.

Rate Variance

The difference between the actual rate paid for something and the standard or expected rate, often used in budgeting and cost management.

Time Variance

The variance between the real duration it takes to finish a task and the initially projected time for its completion.

Total Cost Variance

The difference between the actual costs incurred and the standard (or expected) costs for a given production or project period.