(a) Calculate the net tax payable by the following Australian resident for the year ended 30 June 2022 . The taxpayer is single with no dependents. She has no private hospital cover and an outstanding HELP liability of $12,300 on 30 June 2022. (7 marks) Her 2022 Payment Summary showed: *The company is listed on the ASX and is NOT a Small Business Taxpayer company (b) Shellfish Pty Ltd operates an oyster farm in Port Stephens where they grow shellfish to sell direct to restaurants and seafood retailers. Very rarely, pearls are uncovered when opening the oyster shells. Shellfish has a long-standing contract with Pearl Jewellers Pty Ltd to supply them with all pearls found at the oyster farm at a set price until the end of 2025. Last year Shellfish provided Pearl Jewellers with pearls valued at $125,000 which represented 10% of its Shellfish's total revenue. In the current year, Pearl Jeweller enters into more favourable foreign contracts to purchase pearls and pays Shellfish $250,000 as compensation for cancelling the remaining term of their contract. Required: With reference to case law, advise Shellfish as to what amount, if any, of the $250,000 received will be assessable income. 3 marks