Hi everyoneIts me Harry, Harry Potter..I deleted my previous account so this is my new account it was of the same name of this account!

According to this excerpt, a key part of our national security strategy is

Post test question number 9 for entering the job market

The school cafeteria can make pizza for approximately $0.30 a slice. the cost of kitchen use and cafeteria staff runs about $200 per day. the pizza den nearby will deliver whole pizzas for $9.00 each. the cafeteria staff cuts the pizza into eight slices and serves them in the usual cafeteria line. with no cooking duties, the staff can be reduced by half, for a fixed cost of $75 per day. should the school cafeteria make or buy its pizzas?