Department heads at St. Claire Machine Works, a $5 million metal fabricating company with operations in four states, are meeting to determine both the management responsibilities that they share in common and those that differ according to different functions. They all set goals, allocate resources, motivate employees, and compare results with original goals. Marketing oversees sales and advertising, while production handles purchasing, engineering, and fabrication. Finance oversees accounting, raising capital, and paying/collecting bills. There's no evidence that St. Claire department heads are involved in .a. planningb. controllingc. organizingd. leading