pre_text: (a) EBITDA is calculated as operating profit less interest income and other gains/losses, net and adding back depreciation of property, plant and equipment, investment properties as well as right-of-use assets, and amortisation of intangible assets. Adjusted EBITDA is calculated as EBITDA plus equity-settled share-based compensation expenses. (b) Adjusted EBITDA margin is calculated by dividing Adjusted EBITDA by revenues. (c) Net debt represents period end balance and is calculated as cash and cash equivalents, plus term deposits and others, minus borrowings and notes payable. (d) Capital expenditures consist of additions (excluding business combinations) to property, plant and equipment, construction in progress, investment properties, land use rights and intangible assets (excluding video and music contents, game licences and other contents).
table: Unaudited
table: Three months ended Year ended
table: 31 December 30 September 31 December 31 December 31 December
table: 2019 2019 2018 2019 2018
table: (RMB in millions, unless specified)
table: EBITDA (a) 35,675 35,378 27,180 137,268 110,404
table: Adjusted EBITDA (a) 38,572 38,123 29,701 147,395 118,273
table: Adjusted EBITDA margin (b) 36% 39% 35% 39% 38%
table: Interest and related expenses 2,348 2,086 1,345 7,690 4,898
table: Net debt (c) (15,552) (7,173) (12,170) (15,552) (12,170)
table: Capital expenditures (d) 16,869 6,632 4,564 32,369 23,941
question: Analyse this data from a financial earnings document. What is the difference between EBITDA and adjusted EBITDA for three months ended 30 September 2019?