In the rational decision$-$making model, the first step is for the decision maker to $\_\_\_\_\_\_\_\_\_.$ Without an understanding of what this first step is$,$ there will be no value in proceeding through steps two to six.

A$.$

define the problem

B$.$

identify the criteria that will be important in solving the problem

C$.$

recommend a solution

D$.$

develop a selection of alternatives to resolve the problem