Respuesta :

Answer:

correct fill up is marketing research

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

  1. Primary information
  2. Secondary information

Market research always provide relevant data to help you for solve marketing challenges

so here correct fillup is marketing research