(b) (i) Compute the income tax payable by/refundable to Keith and Niamh for the year 2009, on the basis that they avail of the maximum relief available for Keith’s losses;Note: In 2009 the Trade union subscription tax credit is €70. (12 marks)(ii) Explain why it would have been more tax efficient to have restricted the 2009 claim for loss relief. (2 marks)