Sheffield Security Inc. provides security guards to shopping malls. Data related to Sheffields overhead costs for the current year are as follows:

Head Office Activity	Total Overhead Cost		Cost Driver	Estimated Activity
Supervision	$126000		# of employees	80
Technology fees	57000		computer hours	2500
Rent/Utilities/Taxes	34000		direct labour hours	170000
Total	$217000

During the year, Sheffield provided security to the Pharoah Creek Mall including 3 employees, 150 computer hours and 11900 labour hours. Overhead applied to the Pharoah Creek Mall job for the year using ABC is