This methodology is applicable to the currently disclosed pricing period applicable to the period 1 April 2020 to 31 March 2021.
This methodology is applicable to the currently disclosed pricing period applicable to the period 1 April 2019 to 31 March 2020.
This methodology is applicable to the currently disclosed pricing schedule applicable to the period 1 April 2018 to 31 March 2019.
This methodology is applicable to the currently disclosed pricing schedule applicable to the period 1 April 2017 to 31 March 2018