Use the Following to Answer Questions

Use the following to answer questions
Jack Watson, an MBA student at the University of Tasmania in Hobart, recently purchased a small ice-cream and frozen yoghurt business close to campus to help pay his way through the program.Even though Hobart has cold winters, ice-cream and frozen yoghurt generally sell well year-round.After two months of operation, it became clear why the previous owners had sold the business: even though it seemed to be ideally located, sales were extremely disappointing.
-Jack wants to apply some of the things he learned in his MBA marketing research class to his business.The first thing he should do is:

A) develop a questionnaire.
B) identify a sample frame.
C) define the problem to be researched.
D) conduct store exit interviews.
E) collect secondary data.