Overhead Costs (per machine- hour) $ 1.80 6,000 Variable cost Fixed cost 7,000 8,000 $ 10,800 $12,600 $ 14,480 17,400 17,400 17,400 Total overhead cost $ 28,200 $30,000 $ 31,800 The following information is available for a recent period: a. The denominator activity of 6.000 machine hours was chosen to compute the predetermined overhead rate. b. At the 6,000 standard machine-hours level of activity, the company should produce 1.200 units of product. c. The company's actual operating results were as follows: Number of units produced Actual machine-hours Actual variable overhead costs Actual fixed overhead costs 1,500 7,100 $ 11,431 $ 19,000 Required: 1. Compute the predetermined overhead rate and break it down into variable and fixed cost elements. (Round your answers decimal places.) per MH Predetermined overhead rate Variable rate Fixed rate per MH per MH