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 $513,800 Shop direct labor 375,000 Shop and repair equipment depreciation 31,600 Shop supervisor salaries 87,800 Shop property taxes 15,900 Shop supplies 12,200 Advertising expense 10,300 Administrative office salaries 44,200 Administrative office depreciation expense 5,700 Total costs and expenses $1,096,500 The average shop direct labor rate is $15.00 per hour. Determine the predetermined shop overhead rate per direct labor hour. Round the answer to nearest whole cent. $ per direct labor hour