This year, most of Commonwealth Bank's six divisions contributed higher earnings to the group's result for the year to June, although with earnings growth unevenly spread between divisions and between the half of the year. Year on year there were positive contributions from retail banking services, business and private banking, institutional banking and markets, and from the New Zealand franchise, while the weakest contributors in the second half were Bankwest (down 10 per cent FY) and wealth management, which turned a 22 per cent first half increase into an eventual FY decline in cash profits (down 10 per cent year on year)The results were presented against a backdrop of civil penalty proceedings against CBA, announced last week by Australia's financial intelligence and regulatory agency AUSTRAC. Commonwealth Bank made a net profit of A$9.92 billion for the year to June - up 7.6 per cent on the previous corresponding period. On a cash basis, profit of $9.88 billion was up 4.6 per cent.Income: Net interest income rose four per cent over the previous corresponding period to $17.6 billion and other banking income rose 14 per cent to $5.5 billion. Funds management income edged up one per cent to $2.03 billion. Total operating income rose five per cent to $25.9 billion. Expenses and cost-to-income: Operating expenses rose six per cent to $11.1 billion. Operating expenses as a percentage of total operating income rose 40 basis points from 42.4 per cent in 2015/16 to 42.7 per cent in the year to June 2017. The cost-to-income ratio of the bank's biggest division, retail banking services, fell 150 bps to 32.6 per cent.Impairment charges, provisions and credit quality: The loan impairment expense dropped 13 per cent over the previous corresponding period to $1.1 billion. Loan impairment expense remained low, at 15 basis points of gross loans and acceptances. Consumer impairment expense was flat, at 18 basis points, while corporate fell to 8 basis points from 20 basis points.Margin: The net interest margin fell three basis points to 2.11 per cent against the 2015/16 result. Higher wholesale funding costs and increased competition in home and business lending more than offset asset repricing.Return on equity: On a cash basis, ROE fell from 16.5 per cent to 16.0 per cent. Earnings per share: On a cash basis, EPS rose 4 per cent to 574 cents a share.Dividends: The bank will pay a final dividend of $2.30 a share - a 15 per cent increase over the interim dividend of $1.99 a share. Total dividend payments of $4.29 a share for the full year are an increase of 9 cents per share from the previous year.The divisions: The bank's biggest division, retail banking services - as it did in the 2015/16 FY - put in the best performance in absolute terms, with cash profit up 9 per cent over the previous corresponding period, rising from $4.54 to $4.96 billion. Business and private banking contributed $1.6 billion of cash profit - an increase of eight per cent. Institutional banking and