A "clean-up" period is:

	a.	A periodic payment of all interest a borrower owes to date on a line of credit
	b.	A period of time over which the lender defers interest to a later date
	c.	A period of time over which a company reduces its outstanding credit line to zero in order to demonstrate it has not become permanent capital
	d.	The removal of the compensating balance requirement on a line of credit