Use the Information Below to Answer the Following Question(s)

Multiple Choice

Use the information below to answer the following question(s) .At the high point of the relevant range, labour hours at Bradco Restoration were 10,000 and wages were $22,500.At the low point of the relevant range, labour hours were 7,500 and wages were $17,500.
-When using the high-low method, the two observations used are the high and low observations of the

A) cost driver.
B) dependent variables.
C) outliers.
D) mixed costs.
E) total pool cost.