An individual has a savings including khums-paid money and money on which khums has not been paid. On occasions, he takes quantities out of the total for his annual expenses and sometimes he adds some money to it. Then, if the person knows the amount of khums-paid money, does he have to pay khums on the whole amount or only on the amount on which khums has not been paid?
In a lease, the landlord stipulated that the tenant should pay the equivalent of the rent plus a surcharge for every day he stays in the property after the expiry date of the lease. Does the tenant become indebted to the landlord with the amount he undertook to pay in the agreement?