Answer:
Implementing and evaluating the solution
Step-by-step explanation:
Jack is in the Implementing and evaluating the solution stage of the managerial decision-making process.
In this example Jack is reviewing managerial decision-making process, which is the recently implemented sales strategy. In evaluating solution various steps are taken
1. defining the ideal solution
2. eliminating unviable solution
3.evaluating the remaining solution against the result required
4.assessing the risks associated with the best solution, if acceptable.
5. making the decision.