The pharmacy has been busier than usual today and a large amount of $$20$ bills has been accumulating throughout the day at the pharmacy pickup terminals. Several times throughout the day, you were not able to complete a turn$-$in because customers were in line. You have been waiting for the line to diminish, but there has been a steady stream of customers. What should you do$?$ Apologize to the customers for the inconvenience and complete the turn$-$in Continue to wait until the line has diminished before completing the turn$-$in Complete other tasks and come back in an hour to complete the turn$-$in Wait until the end of the day and lock the change drawer in the safe.