Answer:
d. All of these statements about avoiding marketing research are true
Step-by-step explanation:
Marketing research is a process where firm's gather data which the use in developing, implementing and monitoring their marketing plans. Marketing research should be avoided when it is unethical such as trying to sell a product under the guise of marketing research. Carrying out marketing research so as to have data to counter a valid research result so as to support your idea Is a waste of fund and should also be avoided.