Imelda manages a shoe factory that makes two types of shoes: casual shoes and dress shoes. The factory can make a total of 1,000 pairs of shoes per day. On any given day, it cannot make more than 800 casual pairs of shoes. Each pair of casual shoes needs 2 units of labor, while each pair of dress shoes needs 3 units of labor. The factory has 2,400 units of labor available daily. Each pair of casual shoes earns a profit of $15, while each pair of dress shoes earns a profit of $20. How many pairs of each type should the factory make each day?