Question 20 (20 points) Infinity Corp. uses job costing with two departments, Sanding and Finishing. Manufacturing overhead is allocated based on direct labour cost in the Sanding Department and direct labour hours in The Finishing Department. The following additional information is available: Estimated amounts Sanding Dept. Finishing Dept. Direct labour cost Direct labour hours Manufacturing overhead costs $125,000 25,000 $275,000 $286,000 43,000 $225,000 Actual data for completed Job No. B-1082 is as follows: Actual amounts Sanding Dept. Finishing Dept. Direct materials requisitioned Direct labour cost Direct labour hours $22,000 $20,000 3,600 $42,000 $32,000 1. Compute the predetermined manufacturing overhead rats for the Sanding Department. 2. Compute the predetermined manufacturing orarh:ad rats for the Finishing Departmen: 3. What is the total manufacturing overhead cost for lob. No. B-1052: 4. If job. No. 3-1062 consists of 400 units of product, what is the ar-arage unit cost of this job