Rogers Wireless Introduced a New Low-Priced Data Package and the Number

Rogers wireless introduced a new low-priced data package and the number of new customers soared. These new customers are coming from current Telus and Bell subscribers. Should Telus or Bell conduct marketing research to help them with this problem?

A) Marketing research should not be conducted because the timing is wrong.
B) Marketing research should be conducted to determine why customers are leaving.
C) Marketing research should be conducted to determine why the new Rogers plan is preferred.
D) Marketing research should be conducted because the profitability of Telus and Bell is affected.
E) Marketing research should not be conducted because they can consult their marketing information systems.