Units to be Assigned Costs

Jabari 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 62,700 tons from the Casting Department in October. During October, the Rolling Department completed 69,100 tons, including 10,200 tons of work in process on October 1. The ending work in process inventory on October 31 was 3,800 tons

How many tons were started and completed during October?