be the appropriate amount set out in the second column of the Second Schedule; and
(b)
comprise an amount in cash which is at least that specified in the third column of the Second Schedule and an amount covered by a charge on or pledge of an immovable property made under section 15 (9), (9A), (10) or (10A), 21, 21A or 21B of the Act which does not exceed that specified in the fourth column of that Schedule.