You have $814 that you want to share equally between 5 charities. To start, you divide the money so that each charity gets a $100 bill.

What is the most useful next step?

A. Take away the remaining three $100 bills because they cannot be divided.

B. Add 3 hundreds plus 1 ten plus 4 ones to get the answer.

C. Trade in each remaining $100 bill for $10 bills and try to divide those.

D. Add two more $100 bills so you can divide by 5.