Curt's Casting manufactures metal parts in a large manufacturing facility Curt's customers order 51000 tons of castings each quarter The facility has a practical capacity of 82,000 tons. Curt leased the current facility because it was more convenient than another new facility that had a capacity of 51000 tons. The annual cost of the facility is $246,000. The variable cost of a casting $4 Required: a. What cost per casting should the cost system report? b. Given your answer to requirement (a). what is the cost of excess capacity? Cost per casting Cost of excess capacity