D Question 31 5 pts During the year, in Sigma Corporation, Job P90 was started, completed, and sold to the customer for $4,000. The plantwide predetermined overhead rate was $20 per machine hours. The following information was available with respect to this job Direct Materials Direct Labor Cost $1,840 $1,320 Machine-hours used 87 If Job P90 consists of 10 units, what is the unit product cost for this job?