The target cash balance is reached when:

		A. the interest on any marketable security throw-off is maximized.
		B. the interest foregone from not investing in an equivalent amount of Treasury bills is minimized.
		C. the value of cash liquidity equals interest foregone on an equivalent amount of Treasury bills.
		D. the liquidity value is greater than interest foregone on an equivalent amount of Treasury bills.
		E. None of these.