Part-time Admin support

We are looking for a responsible and organised Part-time Administrative Assistant to provide general administrative support to our office. Duties including data entry, filing, invoicing, handling paperwork and other ad-hoc administrative tasks as required.
Working hours : 4 hrs per day, Monday to Friday.
Either 9am to 1pm or 1pm to 5pm.
The ideal candidate should be computer literate, detail-oriented and able to work independently.
Salary : S$12 per hour