16. MC.18.41.ALGO (Algorithmic) Pinnacle Corp. budgeted $240,080 of overhead cost for the current year. Actual overhead costs for the year were $232,230. Pinnacle's plantwide allocation base, machine hours, was budgeted at 49,800 hours. Actual machine hours were 48,660. A total of 100,640 units was budgeted to be produced and 98,000 units were actually produced. Pinnacle's plantwide factory overhead rate for the current year is: a. $4.66 per machine hour b. $2.39 per machine hour c. $4.82 per machine hour d. $2.31 per machine hour