12.4 Nathan begins trading on 1 October 2014, making up accounts to 31 December each year. His first two sets of accounts show the following adjusted trading losses:

£

15 months to 31 December 2015 (26,850)

year to 31 December 2016 (25,660)

He has had no other income since becoming self-employed but his income before he started trading was as follows:

£

2011-12 15,100 2012-13 15,250 2013-14 16,400 2014-15 (to 30 September 2014) 8,450 Assuming that all possible early trade losses relief claims are made, calculate Nathan's net income (i.e. total income less reliefs) for years 2011-12 to 2014-15.