Answer:
Greg is in the third step of the planning/control cycle, which is called "Periodic review".
Explanation:
The Planning/Control cycle is composed by 4 steps:
1) Setting objectives: formulate the plan
2) Implementation: carrying out the plan
3) Periodic Review: compare results with the plan
4) Corrective actions: control direction by taking corrective actions.
Greg is in process of comparing results with past evaluations, which places him in the third step of the cycle.