According to section 9 of the Employment Ordinance, under what circumstances can an employer terminate a contract of employment without notice or payment in lieu? (c) 10% (d) The economy in Hong Kong was doing bad during the period between 2007 to 2010. Pat employed Don as an accounting clerk from 2007 until 2010. Don's initial employment contract provided for an end of year bonus equal to one month's salary. In January 2008, Pat orally announced to his staff at a meeting that he would be cancelling the bonus and that, for 2008, there would only be a S500 bonus. Don did not raise any objection at the meeting, accepted the $500 bonus, continued to work for Pat, and did not complain when the bonus was not paid in 2009 and 2010. After leaving his job, Don brought proceeding against Pat claiming the bonus payments for 2008, 2009 and 2010