Job Title : Senior QA Executive
Job Desciption : ISO 9001 and OHSAS 18001 implementation, internal audits and review, process risk analysis, corrective action.
Years spent in company : 3 years
Company : Big local construction company located in PJ
Industry : property / retail
Employment Level : Senior Executives
Experience before joining : 3 years plus
Highest paper qualification/ education background : Degree in Mechanical Engineering
salary : RM4320 + variable bonus
Location: Kelana Jaya
Age: 31

Currently got offer of RM5500 + allowance + yearly bonus in Subang Jaya. Same scope, plus additional manpower to handle, and audits to conduct (supplier audits). Am I doing ok? as i am among lowest income earner among my friends.

Normally in Jobstreet if the job posting put salary as "MYR 8,000 - 15,000", then what is usually the salary they will pay?

And what is the best way to put expected salary  to them? Max it at 15k?