(a) Calculate Shaun's taxable professional income for the 2022/23 year. Shaun's taxable professional income is calculated by adding his salary and coaching income, then subtracting any relevant deductions. Salary: $120,000 Coaching income: $50,000 Total income: $170,000 Deductions: Equipment costs: $6,000 Coaching costs: $11,000 Total deductions: $17,000 Taxable professional income = Total income - Total deductions Taxable professional income = $170,000 - $17,000 Taxable professional income = $153,000 (b) Calculate Shaun's other taxable income for the 2022/23 year. As per the information provided, Shaun does not have any other income apart from his professional income. Therefore, his other taxable income for the 2022/23 year is $0. (c) Calculate Shaun's net tax payable or refundable for the 2022/23 year