The answer is correct in my question. I just want someone to show me how to get to that answer. Ill appreciate it if you walked through it and write the formula. thanks.

The Breakfast Bun Restaurant expects to serve a 4-ounce portion (EP) to 1,000 customers next week. If it buys frozen hash browns in 50-pound cases (AP) and gets a 100 percent edible yield from this product, how many cases should the buyer purchase for next week? Correct! 5 8 & Learning 10 31 80