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.
-Using the high-low method determine the slope coefficient per labour hour at Bradco Restoration?

A) $5.25
B) $4.00
C) $2.00
D) $0.50
E) $0.25