Using the High-Low Method and the Information Below,compute the Monthly

Multiple Choice

Using the high-low method and the information below,compute the monthly variable cost per telephone hour for SKP Corporation. $$\begin{array} { l l c } \text { Month } & \text { Telephone Hours Used } & \text { Telephone Expenses } \\\text { April } & 100 & \$ 4,500 \\\text { May } & 110 & 4,800 \\\text { June } & 150 & 5,400\end{array}$$

A) $18.00
B) $36.00
C) $34.64
D) $45.00