Solve Each System of Equations Using Matrices (Row Operations) $$\begin{array} { l } x - y + 2 z + w = 2 \\y + z = 2 \\z - w = 3\end{array}$$

question 120

Multiple Choice

Solve each system of equations using matrices (row operations) . If the system has no solution, say that it is inconsistent.
- $$\begin{array} { l } x - y + 2 z + w = 2 \\y + z = 2 \\z - w = 3\end{array}$$

• A) \(\varnothing\)
• B) \(\{ ( - 9 , - 2,4,1 ) \}\)
• C) \(\{ ( - 5 - 4 w , - 1 - w , 3 + w , w ) \}\)
• D) \(\{ ( - 5 , - 1,3 , \mathrm { w } ) \}\)

Calculate unit product costs under variable and absorption costing systems.

Evaluate the effects of fixed manufacturing overhead and direct labor costs on unit product costs and net operating income.

Understand the differences between absorption costing and variable costing systems.

Calculate net operating income under both absorption and variable costing methods.

---

Definitions:

Simple Interest

Simple interest is a calculation of interest that does not take into account the effect of compounding. Interest is applied only to the principal over a set period.

Monthly Basis

A timeframe or calculation done once every month or for each month.

Round Answers

A mathematical procedure of adjusting the figure to the nearest desired value or precision, often in calculations or data presentations.

Finance Charge

The total cost of borrowing, including interest and other fees.