The cost per casting that the cost system should report is $11 and the cost of excess capacity is $210,000.
Cost per casting = Variable + Fixed
Cost per casting= $6+ ($520,000/104,000 tons)
Cost per casting=$6+$5
Cost per casting=$11
Cost of excess capacity:
Cost of excess capacity=$520,000- [($520,000/104,000 tons)×62,000 ton
Cost of excess capacity=$520,000-($5×62,000 tons)
Cost of excess capacity=$520,000-$310,000
Cost of excess capacity=$210,000
Therefore the cost per casting that the cost system should report is $11 and the cost of excess capacity is $210,000.
Learn more about Cost per casting here:https://brainly.com/question/13667911
#SPJ1