Next Corporation (NC) has 50,000 shares of common stock outstanding, and Lisa owns 500 shares. NC issues 50,000 new shares of common stock. According to her stock certificate, Lisa is entitled to buy an additional 500 shares at the time the new stock is issued, so that she will retain the same percentage of ownership in the corporation. This is an example of

	a.	voting rights.
	b.	participation rights.
	c.	the right of first refusal.
	d.	preemptive rights.