Answer:
correct fill up is marketing research
Step-by-step explanation:
solution
marketing research is typically involves researching because marketing research basic reason is for carrying out research to findout change in consumer behavior due to change in element of the marketing mix
like product , prize , size, tread and potential etc
and it involves 2 types of data
- Primary information
- Secondary information
Market research always provide relevant data to help you for solve marketing challenges
so here correct fillup is marketing research