In the financial year ended 31 July 2013, Imperial had a total net income of £822.0 million (2011/12 – £765.2 million) and total expenditure of £754.9 million (2011/12 – £702.0 million). Key sources of income included £329.5 million from research grants and contracts (2011/12 – £313.9 million), £186.3 million from academic fees and support grants (2011/12 – £163.1 million), £168.9 million from Funding Council grants (2011/12 – £172.4 million) and £12.5 million from endowment and investment income (2011/12 – £8.1 million). During the 2012/13 financial year Imperial had a capital expenditure of £124 million (2011/12 – £152 million).

What was Imperial's net income for the financial year that ended on 31 July 2013?