139. Subject to the following provisions, the basic amount shall be calculated by:
(i)determining the period, ending with the effective date of termination (see paragraph 140 below), during which the Employee has been continuously employed (see paragraph 141 below),
(ii)reckoning backwards from the end of that period the number of years of employment falling within that period, and
(iii)allowing the appropriate amount (see paragraph 142 below) for each of those years of employment.