PROFITABILITY AND EARNINGS
Operating profit before tax (OPBT) for Total selected industries in 2007-08 was $287.7b. The percentage contribution by small businesses was 46.1%, medium businesses 15.7% and large businesses 38.2%. Small businesses include many non-employing businesses which make a higher contribution to OPBT than to most of the other variables presented, as the drawings and/or labour costs of working proprietors and partners are not reflected in estimates of business expenses.
For Total selected industries, the estimated earnings before interest, tax, depreciation and amortisation (EBITDA) was $310.9b in 2007-08.
Mining was the largest contributor to EBITDA for Total selected industries in 2007-08, accounting for 15.7%. This was followed by Manufacturing (13.8%).