Mr. Li is employed by Rock Limited ("RL"), a company incorporated and carrying on business in Singapore. He came to Hong Kong to oversee RL's group regional operations for two years, starting from 1 April 2021. When in Hong Kong, he uses an office of a Hong Kong subsidiary of RL, but his payroll is still under RL. He was required to travel to Mainland China, Taiwan and Japan in the course of performing his duties. The Inland Revenue Department in Hong Kongagreed that he was undernon-Hong Kong sourced employment. During the year ended 31 March 2022, Mr. Li spent his time in various places as follows: The following information is available for the year ended 31 March 2022: 1. Mr. Li 's salary was HK\$700,000 for the year. 2. He was provided with staff quarters in Hung Hom by RL. Mr. Li paid at anominal rent of HK\$3,000 permonth to RL. 3. He was given two round trip tickets for home leave to Singapore. The cost of the tickets of HK$9,000 was paid by RL. Mr.Li was requested to attend meetings for a few days while he was in Singapore. 4. At the Christmas party, he received a gift that cost RL HK\$\$8,000 and the gift is a collectible item with a market value of HK$10,000. He also received a refund on his medical expenses of HK$21,000. 5. His Hong Kong salaries tax of HK$40,000 was paid by RL in January 2022. 6. He contributed HK$60,000 to the central provident fund in Singapore during the year. 7. On 10 January 2022,Mr. Li was awarded an option to subscribe for 10,000 shares in RL at S$10. He sold half of the option right on 7 February 2022 for $18,000 and exercised the remaining option on 20 March 2022. The shares were quoted on the Singapore stock exchange at the following prices: Note: The exchange rate to be used is HK$5.7 to S$1. 8. Mr. Li is married. His wife, Olivia, and their 15 -year old son reside in a property owned by Mr. Li in Singapore. The acquisition of the property was financed by a mortgaged bank loan. The total amount of loan interest paid during the year was HK\$70,000. 9. Olivia's sister, aged 40 and physically disabled, is living with Olivia, who takes care of her on a daily basis. Required: Compute the Hong Kong salaries tax liability of Mr. Li for the year of assessment 2021/22. Note: For the number of days Mr. Li's income is chargeable to salaries tax, round it to the nearest integer. Ignore provisional tax