Suppose you want to quickly perform a customer marketing survey, while allowing some measure of anonymity and keeping costs as low as possible. What type of survey would be a good choice for this purpose?

APersonal interview
BMail
CDoor to door
DTelephone

Verified Answer :

Suppose you want to quickly perform a customer marketing survey, while allowing some measure of anonymity and keeping costs as low as possible. D. Telephone of survey would be a good choice for this purpose

The answer is D. Telephone