The following information has been gathered for Cheatham Law Offices for its fiscal year ending December 31:

Actual office overhead costs	$	546,000
Actual billable labor hours		26,000
Actual billable labor costs	$	1,647,000
Estimated office overhead costs	$	450,000
Estimated billable labor hours		30,000
Estimated billable labor costs	$	2,700,000

What is the predetermined office overhead rate per billable labor hour?

$21.00 per hour.

$18.20 per hour.

$15.00 per hour.

$17.31 per hour.