Mitchell Softball Gloves Company estimated the following at the beginning of the year: Assembly Department Testing Department Total Overhead $570,000 $130,000 $700,000 Direct Labour Hours 142,500 32,500 175,000 Machine Hours 32,000 65,000 97,000 Mitchell uses departmental overhead rates. In the assembly department, direct labour hours are used to apply overhead. Machine hours are used to apply overhead in the testing department. Actual data for August is as follows: Assembly Department Testing Department Total Overhead $42,000 $12,000 $54,000 Direct Labour Hours 13,500 2430 15,930 Machine Hours 4020 11,000 15,020 Mitchell decides to continue using departmental overhead rates. If a job spends 4 hours in assembly and 3 hours in testing, what is the amount of overhead charged to the job? a. $20 b. $22 c. $28 d. $50