21. Which of the following might be considered an example of "excess compensation" given by a not-for-profit to its executive director? a. Purchase of land owned by the executive director for an amount far above appraised value b. Granting a salary that is higher than what the last executive director earned c. Giving the executive director four (4) free tickets to the non-profit's charity event d. Tying the executive director's salary to a portion of the donations they raise but capping the amount of incentive possible at a low range