The company allocates manufacturing overhead using a single plantwide rate with machine hours as the allocation base. Estimated overhead costs for the year are $108,000. Additional estimated information is given below.

Normal Premium
Machine hours (MHr) 29,000 48,000
Direct materials $58,000 $440,000

Calculate the predetermined overhead allocation rate. (Round your answer to the nearest cent.)
A) $3.72 per direct labor hour
B) $1.40 per machine hour
C) $2.25 per machine hour
D) $0.22 per direct labor hour