The Mountain Springs Water Company has two departments, Purifying and Bottling. The Bottling Department received 68,820 liters from the Purifying Department. During the period, the Bottling Department completed 65,600 liters, including 2,540 liters of work in process at the beginning of the period. The ending work in process was 5,760 liters. How many liters were started and completed during the period?