Hudson wants to motivate his employees to have a strong finish this month. He is offering all employees an additional $500 on top of their commission for meeting their sales goals. What of the following situations is a potential disadvantage for this type of incentive? a. Vance may close more sales this month than the last three months b. Felix may use his extensive sales experience to help Uriel learn new sales techniques (c. Rolanda may submit some of next month's sales orders early to reach this month's goal d. Wendy may share some of her sales leads with Jazzmine to increase her sales this month