What is the cost of marginal bad debts under the proposed plan? (See Table 14.5)

Taco Bell is constantly developing new menu items

A. because it has been losing money since the recession. B. because less people are interested in Mexican food. C. because Chipotle and In-N-Out Burger are introducing even more items. D. to be a leader in food innovation.

Which of the following is an advantage of telephone interviews?

A) They are less expensive to conduct than online questionnaires. B) Interviewer variability can be controlled. C) Response rates are increasing. D) Interviewers can provide feedback and have flexibility in follow-up questions. E) Interviewers' interpretation of responses is easily standardized.