Assume that a company pays a 5% sales commission. Also, assume the job cost sheet for Job X shows that (1) it used 18 direct labor hours and incurred direct materials and direct labor charges of $500 and $360, and (2) its unit product cost is $2735. If Job X contained 40 units, then what is the plantwide predetermined overhead rate per direct labor-hout? Mumple Choice $15.00 $4778 $60.78 $0.00