Sam manages a fast-food restaurant. He is frustrated because employees often call in sick at the last minute before the start of their shift. Given that Sam recognizes this problem, which of the following is the next immediate step that he should take to solve this problem?
A. Sam should evaluate his employee policies.
B. Sam should define the problem in detail.
C. Sam should call a meeting with all his employees and explain the problem to them.
D. Sam should threaten to fire anyone who calls in sick just prior to the start of their shift.