In most situations, the gross profit percentage is stated as a percentage of cost.

Sales managers should schedule periodic retraining sessions for even the most highly successful, experienced salespeople.

a. true b. false

A disadvantage of using too many closed questions in an interview is that they

A) do not take full advantage of the interview format. B) allow important information to be revealed too early in the interview. C) diminish the interviewer's control over the interview. D) require detailed responses. E) become difficult to interpret.