I believe the answer is: "The troop will earn points for each and every box of cookies sold." because each and every are interchangable words in this context.
<span>a word, letter, or number placed before another.</span>
The Great Fire by Jim Murphy is a nonfiction account of one of the most devastating disasters in American history. In October 1871, a fire that began in a barn in Chicago spread throughout much of the city. It killed hundreds of people, destroyed thousands of buildings, and left almost 100,000 people homeless.
