If you have access to a market research database you can get statistics on this kind of stuff for different industry sectors and different countries. For subscr

If you have access to a market research database you can get statistics on this kind of stuff for different industry sectors and different countries. For subscription services you may be able to get access via a public library or university library. e.g. here's an estimate of costs in Australia's IT consulting sector, as percentage of total revenue: wages: 40% other: 26% incl. insurance, advertising, cleaning, repairs & maintenance purchases: 16% profit: 11% utilities: 5% rent: 2% depreciation: 1%