Calculate Final Pay

(1)
salary of last month up to 20th July = monthly salary of July x 20/31


(2)
15 days of annual leave pay = (average daily salary including overtime pay and regular allowances of past one year) x 15

For example, if last day of employment is 20th July 2012 (leap year),
average daily salary of past one year = (total basic salary plus overtime pay plus regular allowances for the period from 21/7/2011 to 20/7/2012) / 366


(3)
1 month extra bonus = 1 month's salary at the time of payment

Assuming the payment period is 1/1 ~ 31/12 and for incomplete year of service, e.g. last day of employment on 20th July 2012,
year end bonus = monthly salary of July x (6 + 20/31)/12




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2012-07-23 07:04:34 補充：
In response to 發問者評價:
You are right that generous employers (including mine) adopt generous practice to calculate the daily pay. We should be able to advise our employer when such practice fails to meet statutory requirements.

2012-07-23 07:04:50 補充：
For example, if the monthly salary has been reduced over the last 12 months, we need to pay careful attention when calculating the daily pay.

2012-07-23 07:12:00 補充：
Anyway, thank you for sharing :)