In an ideal world, the cops will probably get footage of the incident from the store cameras which will contain enough evidence for the assault against you and other crimes, that you won't be required in court to make the case.
That sucks for you. Consider there might be some whiplash or sore neck injury too.
Re-watching familiar tv is recommended for concussion.
Minimum wage: About $24/hr full-time and $30/hr casual.