Below are summary numbers for 2018 and 2019 for Apex Ltd. (in million dollars).

	2019	2018
Operating assets	18,057.0	16,796.2
Operating liabilities	6,011.8	5,927.2
Financial assets	382.7	270.8
Financial liabilities	6,496.4	4,395.4
Operating income (after tax)	2,740.1
Net financial expense (after tax)	147.1

Required:

Calculate Apexs free cash flow in 2019 using Method 1 focuses on the source of free cash flow