Northline Gym serves small retailers while taking a loan; the case evidence includes capacity utilisation of ?6,906, sales of 236 units, and a 37% change in costs or demand. Which option best applies Explain primary and secondary market research methods, including questionnaires, surveys, interviews, focus groups, internet research and printed press?

The correct option is: Use market research to judge net profit margin, owners impact, and the business objective in Purpose and methods of market research.

The option is correct because Use market research to judge net profit margin, owners impact, and the business objective in Purpose and methods of market research. The case evidence gives ?8,406, 236 units, and 37%, so the answer must explain the commercial effect rather than repeat a definition. The distractors are weaker because they confuse internal and external finance, miss the owners, or ignore the business objective.