Lori Winters, a regional sales manager, is interested in the profitability of the different sales reps in her region. She has used a variety of different approaches for allocating fixed sales expenses to the different sales reps, but she reaches very different conclusions depending on which allocation approach is used. In this case, it would be wise for Ms. Winters to supplement her other analyses with an analysis based on
A. the contribution-margin approach.
B. the full-cost approach.
C. the marketing audit approach.
D. none of the above.
E. all of the above
Answer: A. the contribution-margin approach.