In the Three-Phase Approach for Selecting Key Accounts, Which Is

In the three-phase approach for selecting key accounts, which is NOT an example of one of the three phases?

A) For example, if the product is critical to a customer's operations, support services are more valuable.)
B) For example, the goal here is to invest in support capabilities that are valued by multiple accounts.)
C) For example, the customer's sales have increased 300% in the past five years.
D) For example, some customers purchase higher-margin products than others or provide a better match to the firm's manufacturing capabilities.