Exercise 3.21a-c (Part Level Submission) Millefeuille Company applies operating overhead to photocopying jobs on the basis of machine hours used. It expects overhead cost $27.5th and machine usage at 115,700 hours For the year, the company incurs $288.500 of overhead costs and uses 122,000 hours. (a) Calculate the service overhead rate for the year. (Round answer to 2 decimal aces.. 15.25.) Service overhead rate per machine hour Attempts of tused