Beavers and sons makes two types of beavers costumes, an adult size and a child size. Due to demand, beavers and sons needs to make at least 3 child costumes and the company can only make 13 costumes per day. You also can not make a negative number of adult costumes . The adult size costs $60 to make and the
Child size costs $40 to make. The company can only spend $600 on costume production.