HI,usually the salary is from $350 to up to u......and $175 is for the goverment tax.
Depends on your arrangement with her........can be with or without off days.without then more $ or allowances for them looooo
IN hkg there's no way of tracking their employment records unlike singapore......there if u're the employer(for citizens) u can log into the goverment web site to chk on their past workign history,ie duration/time/employer's last name/simple address.