A company noticed its market share was declining. To investigate, the company's marketing team reviewed its monthly sales data to identify trends. Also, the company's marketing team had researchers in the grocery store to observe consumers' actual purchasing behaviors. According to the terminology used in marketing research processes, the company's monthly sales data belongs to the $\_\_\_\_\_\_\_$ category, and the results from researchers' observations belong to the $\_\_\_\_\_\_\_$ category.

Group of answer choices

primary, secondary

secondary$,$ primary

secondary$,$ secondary

primary, primary