Your can view your hourly rate under your profile overview, I just checked your profile and I can see that it is set for $4 per hour. If further help is needed let me know, thank you.
Please click on Find Work tab > hover to Profile and you will see your Profile Overview. Upon checking, we were able to see that the hourly rate on your profile is available for editing. Hover your mouse to the hourly rate and a pencil icon will pop up. Let us know if we may be of further assistance.