Question 1 2 pts In one of its facilities, Cauley-Stein, Inc. can make one of four products, with cost and production details shown below. Product number Sale price per unit 601 602 603 604 $500 $218 $399 $304 Variable cost per unit $325 $96 $195 $100 Labor hours to produce one unit 5.4 3.6 4.7 6.1 Machine hours to produce one unit 3.4 1.5 3.5 3.6 Which product should Cauley-Stein produce if machine hours are constrained (enter 601, 602, 603, or 604)?