A manufacturing company wants to maximize profits on products A, B, and C. The profit margin is $3 for A, $6 for B, and $15 for C. The production requirements and departmental capacities are as follows: Department Production requirement Departmental capacity by product (hours) (Total hours) Assembling 2 3 2 30,000 Painting 1 2 2 38,000 Finishing 2 3 28,000 1 What is the constraint for the finishing department? 2A + 3B + 2C 30,000 1A + 2B + 2C s 38,000 2A + 3B + 1C s 28,000 2A + 3B + 1C 228,000