Alex Kingsford is a mechanical engineer working for ABC Engineering in Melbourne. Alex owns a property in Dandenong, Victorian where he and his family are residing. He also runs a home- based food catering business, preparing food for local residents and school canteens. Catering business is well-structured. Alex works 15 days a month and earns a substantial income from the catering services business. He is travelling from ABC Engineering workshop to his home- based business by car or sometimes Uber. When he lodged his tax return in July 2019, he has