What is the net profit margin for 2017?

Consolidated 2017 $m 2016 $m Notes Revenue 5,628.0 3,954.5 Cost of sales (3,089.1) (4,397.5) 1,230.5 Gross profit 865.4 Other income 2.0 0.6 Sales and marketing expenses Occupancy expenses Administration expenses Acquisition transaction and implementation expenses (580.1) (248.6) (36.2) (22.4) (75.3) (404.6) (173.8) (27.2) Other expenses (38.7) Finance costs 5 (10.7) (3.9) Profit before tax 259.2 217.8 6 (86.8) (65.6) Income tax expense Profit for the year attributable to Owners of the Company 172.4 152.2 Cents Cents Earnings per share Basic (cents per share) Diluted (cents per share) 3 154.30 151.90 3 152.94 150.30