Thomas had conducted a thorough pretest before the new ad campaign, so he was fairly sure the elements would work together. A lot was riding on the success of the ad campaign, so he couldn't wait until the campaign was over to see how well it did. During the campaign, he will be monitoring the sales volumes on a daily basis as part of his
A.
cause-related marketing.
B.
economic monitoring.
C.
tracking.
D.
in-flight testing.
E.
simultaneous sampling.
Answer: C