Tina is a resident and has given you the following information in relation to her tax return for this income year. Salary income $55,000 Capital gains: CBA shares - bought 1 May 2019$10000 and sold 30 June 2021 for $30000 BHP shares - bought 15 October 2020$2000 and sold 1 April 2021 for $4500 She has a carry forward capital loss of $2000 from the sale of a rental unit She also has a carry forward capital loss from the sale of her yacht, not used for business purposes, of $60000 Required Calculate: a) all capital gains ( 3 marks) b) the net capital gain (5 marks) c) her assessable income (2 marks)