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Units to be Assigned Costs

Kraus Steel Company has two departments, Casting and Rolling. In the Rolling Department, ingots from the Casting Department are rolled into steel sheet. The Rolling Department received 73,800 tons from the Casting Department in October. During October, the Rolling Department completed 85,900 tons, including 17,300 tons of work in process on October 1. The ending work in process inventory on October 31 was 5,200 tons.

How many tons were started and completed during October? ______ tons