Please help me solve this general accounting problem with the correct financial process.

Westside Auto Repair uses a job order cost system to determine the cost of performing vehicle repairs. Estimated costs and expenses for the coming period are as follows: Auto parts: $850,000 Shop direct labor: $640,000 Shop equipment depreciation: $45,000 Shop supervisor salaries: $120,000 Shop insurance: $22,000 Shop supplies: $18,000 Marketing expense: $16,500 Administrative salaries: $75,000 Administrative office depreciation: $9,500 Total costs and expenses: $1,796,000 The average shop direct labor rate is $25 per hour. Determine the predetermined shop overhead rate per direct labor hour