b. Saif has the following income and outgoings for the tax year 2018/19. Trading Income 12,465 Employment Income 13,000 Premium Bond Winnings 2,000 She made the following payments during the tax year 2018/19. Interest payments during the year totaling 2,000 on his mortgage for his principal private residence. Interest payments of 2,000 on a loan to invest on a partnership in which he is a partner. Calculate the Income Tax Payable by Saif for the year 2018/19. (4 Marks)