| (a) | - | "average daily balance" shall mean the average of the balances held at the close of business of each day of a [fortnight]; |
| [(b) | - | "fortnight" means the period from the first day to the fifteenth day of each calendar month or sixteenth day to the last day of each calendar month, both days inclusive;] |
| [(c) | - | "liabilities" shall not include- |