ABC,Inc,is a Small Clothing Manufacturer That Produces Polo Shirts and Pants

ABC,Inc.,is a small clothing manufacturer that produces polo shirts and pants using two resources: sewing machine hours and cutting machine hours.The production manager can schedule up to 240 hours of sewing machine time and up to 150 hours cutting machine time.Production of one polo shirt requires 3 hours of sewing time and 1 hour of cutting time.Each pair of pants requires 2 hours of sewing time and 1.5 hours of cutting time.Each polo shirt yields a profit of $5,and each pair of pants generates a $6 profit.The objective is to maximize profits.How many decision variables are there in this LP formulation?

A) one
B) two
C) three
D) four