Mr. Lee was retrenched from his company on 1 June 2020. His employment income and benefits for the year ended 31 December 2020 is as follows: - Salary from 1 Jan 2020 to 31 May 2020 $25,000 - 2019 non-contractual bonus paid on 15 April 2020 $5,000 - Retrenchment benefit $10,000 - Leave pay $3,000 What is the amount taxable to Mr. Lee for the Year of Assessment 2021? 

Group of answer choices 

a) $33,000 

b) $30,000 

c) $43,000 

d) $28,000