Bill works for the Stuff-It Mailing Service. He receives 25 cents for each document he puts together

Question:

Bill works for the Stuff-It Mailing Service. He receives 25 cents for each document he puts together and prepares for mailing. Last week, Bill prepared 2,000 documents for mailing for a local department store. He received a check with gross pay of $474 and is certain that the amount is incorrect.
a. What is Bill's correct total piecework pay?
b. How much does his boss owe him?