This is from the official Guide 5772:thanks for your opinion, hope other members who already submitted the application can advise how they fillup the 14 Employment Sponsor section
Provide your employment history, including periods of unemployment, for the last three consecutive taxation years preceding your application. Make sure that you do not leave any gaps in time. If you have additional employment history from the end of the last taxation year up until the present, include that as well. Record your total gross income for each period of employment.
Meaning Option 2, so the first thing will be current 2021 work experience and income till date.