Help!!!

Jason an australian resident for tax purposes, has carried forward ordinary capital losses from the year ended june 30 2017 of $ 8000 and carried forward collectable losses of $4000 from the year ended 30 june 2016. on 22 october 2019 he sold land from $76000 that he purchased on 7 march 2014 for $44000. He also sold an antique on 12 feb 2020 for $3000 that he purchased for $800 on 8 december 2008. what is his net capital gain or loss for the year ended 30 june 2020?

How are gain and loss treated with respect to taxable income. Use the above data and explain the treatment of different classes of gain and losses.