Exotic Engine Shop uses a job order cost system to determine the cost of performing engine repair work. Estimated costs and expenses for the coming period are as follows:

Engine parts		$805,600
Shop direct labor		588,000
Shop and repair equipment depreciation		37,700
Shop supervisor salaries		105,000
Shop property taxes		19,100
Shop supplies		14,600
Advertising expense		16,100
Administrative office salaries		69,300
Administrative office depreciation expense		8,900
	Total costs and expenses	$1,664,300

The average shop direct labor rate is $21.00 per hour.

Determine the predetermined shop overhead rate per direct labor hour. Round the answer to nearest whole cent. $fill in the blank 1 per direct labor hour