Working Day Statistics Overtime
It decides whether statistics overtime for working day.

Working day is that employee arrange shift in this day, but this day not official holiday. Note: Working day relate to employee, such as certain day is not official holiday, employee A have shift in this day, for employee A, this day is working day. If employee B have no shift in this day, this day is rest day for employee B.

displayWhy are there "*" behind property, and property is bold type font?
displayWhy is the saved button still forbidden after property changed?
displayWhy property is forbidden or hidden?
displayWhy property value displays multiple value and can not be displayed?