21. Gralyn Corp. compares two products' margin of safety ratios (MOS%). Product A has a ratio of 0.13 and product B has a ratio of 0.31. Based on this information, what should the managers at Gralyn Corp. do and Why? A. They should choose Product A because it will cost less than half as much to produce. B. They should choose Product A because it is less risky and might require less management attention than Product B. C. They should choose Product B because it will produce more than double the prot of Product A. D. They should choose Product B because it is less risky and might require less management attention than Product A