Can an item be sold by a person who is not the real owner of a property?Ahmed found a cow near his fields. He tried to enquire about the owner of the cow but did not succeed, so he started to take care of the cow. After a few days Ahmed found that cow had a disease which if not treated, will cause the cow to die. He called the vet and started medication that costed him around 10,000 rupees. After 1 month the real owner of the cow from nearby village appeared and told Ahmed that it was his cow. Ahmed told him to pay for the medication and then he may take his cow, but the owner refused to pay the expenses. Ahmed sold the cow to Bilal. Argue the conduct of Ahmed with regards to finder of goods.