Answer:
The answer is "Option b".
Explanation:
In this scenario, the second option, which would be the percentage within each transaction that's also interest instead of the full amount, would've been lower if the rate of interest were lower because interest-related transactions would have been higher at lower rates and conversely, as opposed to the main refunds.
Answer:
C) tracking.
Explanation:
Since in the question, it is mentioned that Thomas has conducted a thorough pretest i.e prior to new ad campaign in order to work the elements together
Also he is monitoring the sales volume on a daily basis as it is part of his tracking which tracks the performance of the work so that he get to know how much work is completed and how much work is pending.
