Leatherco manufactures belts and shoes. A belt requires 2 square yards of leather and 1 hour of skilled labor. A pair of shoes requires 3 sq yd of leather and 2 hours of skilled labor. As many as 25 sq yd of leather and 15 hours of skilled labor can be purchased at a price of $5/sq yd of leather and $10/hour of skilled labor. A belt sells for $23, and a pair of shoes sells for $40. Leatherco wants to maximize profits (revenues-costs). Formulate an LP that can be used to maximize Leatherco's profits. Then find and interpret the shadow prices for this LP