9.Pinacle Corp. budgeted $272,160 of overhead cost for the current year. Actual overhead costs for the year were $265,510. Pinacle's plantwide allocation base, machine hours, was budgeted at 53,400 hours. Actual machine hours were 49,880. A total of 92,760 units was budgeted to be produced and 98,000 units were actually produced. Pinacle's plantwide factory overhead rate for the current year is:

a.$2.86 per machine hour

b.$4.97 per machine hour

c.$2.93 per machine hour

d.$5.10 per machine hour