22.

Using the high-low method and the information below, compute the monthly variable cost per telephone hour for SKP Corporation.

	Telephone Hours	Telephone
Month	Used	Expenses
April	100	$4,500
May	110	4,800
June	150	5,400

$18

$36

$34.64

$45

Using the information in #22 above, determine the monthly fixed costs

for telephone expenses SKP Corporation.

$1,800

$2,700

$3,640

$4,500