On January 1, 2021, MCollum Corporation granted 21 million incentive stock options to division managers, each permitting holders to purchase one share of the companys $1 par common shares within the next 5 years, but not before December 31, 2023 (the vesting date). The exercise price is the market price of the shares on the date of grant, $8 per share. The fair value of the options is $5 per option. No forfeitures are anticipated. What is a part of journal entry related to this transaction when managers exercise all of their options on December 31, 2023 when the stock price was $20?

	a.	Compensation expense is debited by $25 million.
	b.	Paid-in capital-Expired stock options is credited by $273 million.
	c.	Paid-in capital-Excess of par is credited by $252 million.
	d.	Paid-in capital-Stock options is debited by $21 million.
	e.	Cash credited by $168 million.