have it reported to the right authorities, and prepare the right documents to validate the claim.
Assuming it's S.E. faults. It works two ways, mabayran ka sa imong damages at the same time, ma correct sa tindahan ang ilang mistake and ma penalized, and it's the best way to correct the problem.
And the good thing pud, with that setup both the vendor and client's side are heard.. for this case, and victim pa atong na heard.. but nonetheless all my sympathies is with you.