Mountain Springs Water Company has two departments, Purifying and Bottling. The Bottling Department received $60,120$ liters from the Purifying Department. During the period, the Bottling Department completed $57,630$ liters, including $2,750$ liters of work in process at the beginning of the period. The ending work in process was $5,240$ liters. How many liters were started and completed during the period?

fill in the blank $1$ of $1$

liters started and completed