The importance of a well$-$planned program for recruiting salespeople is increasing because: A$.$ It is difficult to attract good people into the sales field $.$ B$.$ Firms are tending to rely more on middlemen to reach the markets. C$.$ Interviewing is becoming more expensive $.$ D$.$ Selection tools have a low level of predictability $.$ E$.$ Improvements in electronic data processing equipment are providing executives with better tools for managerial control $.$