Budget for date X Professional labor compensation $990.000

Audit support department cost $774.000

Professional labor-hours billed to client 18.000 hours

Actual results for date X

Audit support department costs 735.000

Professional labor hours billed to clients 17.500

Actual professional labor cost rate $59 per hours

Audit of this firm was budgeted to take 150 hours of professional labor time. The actual professional labor time spent 160 hours.Compute the cost of audit using a)actual costing b)normal costing c)the variation from normal costing that uses budgeted rates for direct costs. Explain any differences in the job cost