Extending the time which a firm takes to pay its trade credit has the effect of:

	a.	Increasing the opportunity cost of using trade credit
	b.	Has no effect on the opportunity cost of using trade credit
	c.	Decreases the opportunity cost of using trade credit
	d.	Reducing the firms reliance on trade credit
	e.	None of the above describe the effect of extending the time for which a firm takes to pay its trade credit