8. For the year ending on 31st March 2005 and for each subsequent year the net annual value of the hereditament occupied by the Company and specified in Part B of the Schedule shall be the amount determined in accordance with the formula –
where –
E is the estimated installed transformer capacity (measured in kilovoltamperes) of all the electricity transformation plant in or on the hereditament specified in Part B of the Schedule on 31st March in the relevant preceding year; and
F is the estimated installed transformer capacity (measured in kilovoltamperes) of all the electricity transformation plant in or on the hereditament specified in Part B of the Schedule on 31st March 2003.