If any supplier fails or refuses to repurchase and pay the retailer for any inventory covered under this part within sixty (60) days after shipment of such inventory, such supplier shall be civilly liable for one hundred percent (100%) of the current net price of the inventory, plus any freight charges paid by the retailer, the retailer's attorney fees, court costs and interest on the current net price computed at the legal interest rate from the sixty-first day after date of shipment.