Afirm organized on the basis of retail customers and wholesale customers utilizes the concept of departmentalization by

Customer

Explanation:

In customer departmentalization, departments are basically separated from each other based on the types or groups of customers that needs to be handled or dealt with. For instance, customers can be classified under types such as, bulk purchasing or wholesale customers, retail customers, etc.

To handle them in a better way each group of customers needs different tactics and strategies. Therefore, customer deparmentalization serves the purpose of the firm that is organized on the basis of retail customers and wholesame customers.

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;