7.4 Alan is an employee at ABC Pty Ltd (ABC). He has negotiated the following remuneration package with ABC: salary of $300,000; payment of Alan's mobile phone bill ($220 per month, including GST). Alan is under a two-year contract whereby he is required to pay a fixed sum each month for unlimited usage of his phone. Alan uses the phone for work-related purposes only; payment of Alan's children's school fees ($20,000 per year). The school fees are GST free. ABC also provided Alan with the latest mobile phone handset, which cost $2,000 (including GST). At the end of the year ABC hosted a dinner at a local Thai restaurant for all 20 employees and their partners. The total cost of the dinner was $6,600 including GST. Assume that ABC has no other meal