A toy company manufactures two types of dolls, A and B. Market tests and available resources have indicated that the combined production level should not exceed 1200 dolls per week and the demand for dolls of type B is at most half of that for dolls of type A. Further, the production level of dolls of type A can exceed four times the production of dolls of another type by at most 600 units. If the company makes a profit of OMR 12 and OMR 16 per doll respectively on dolls A and B, how many of each should be produced weekly in order to maximize the profit Let # of type A beX Let # of type B be Y Which of the following expressions represents one of the constraints for this problem: Select one . X + Y > 1200 O b. None of the above X - 3Y