Dan Wants to Start a Supermarket in His Hometown, and Wants

Dan wants to start a supermarket in his hometown, and wants to get into the business only after finding out about the market and how successful his business might be. The best way for Dan to gain knowledge is to:

A) take advice about the market from his friends and relatives.
B) conduct a consumer survey.
C) study the history of the world's famous supermarkets to get an idea of how to go about the business.
D) work in a supermarket before starting his own.
E) start the business on a small scale and test the market, and then expand the business by selling more of the products with greater demand.