a. Explain the differences between tax avoidance and tax evasion. (4 marks) b. Compute the amount of salaries tax payable (excluding provisional tax and tax reduction) by the taxpayer with the following data, if (1) Mr. and Mrs. Ho elect separate assessments (18 marks) (ii) Mr. and Mrs. Ho elect joint assessments (11 marks) Assessment Year: 2020/21 Age: Mr. Ho: 44: Mrs. Ho: 40 Occupation: Mr. Ho: Certified Accountant & Mrs. Ho: Part-time Secretary Marital status: Married Child: Aged 10 Mr. Ho's Parents: Aged 78 and 74 (both parents live with the taxpayer) Monthly salary: Mr. Ho: $72,000 & Mrs. Ho: $12,000 Donation: $50,000 cash MPF contributions: 5% mandatory Qualifying Annuity Mr. Ho: $3,000 per month Home property: Current value at $8,500,000, purchased 5 years ago. Mortgage repayments: $17,325.00 per month. Mortgage interest: $100,378 paid during the assessment year. (iii) Should Mr. and Mrs. Lee elect joint assessment? Why? (2 marks)