On 1 August 2018, J&SS commenced construction of a factory building for its own use. On the same date it issued a 10% debenture for 80 million. The entire proceeds of the bond were used immediately to pay for the land and to purchase building materials for the project. Construction work commenced on 1 October 2018 and continued throughout the year, except for a half-month break at Christmas 2018 and a further half-month break in July 2019. Which of the following amounts should be capitalised as borrowing costs under IAS 23?