the following information is available pertaining to ian division, that uses a plantwide overhead rate based on machine hours: mixing dept. finishing dept. total overhead $30,000 $73,500 $103,500 direct labor-hours 4,000 1,250 5,250 machine-hours 1,500 3,000 4,500 production information pertaining to job 302: mixing dept. finishing dept. total prime costs $5,000 $ 0 $5,000 direct labor-hours 125 0 125 machine-hours 5 4 9 units produced 250 0 250 what are the total overhead costs assigned to job 302? select one: a. $207 b. $360 c. $180 d. $240