According to the tax expert of the authority, the casual rental income earned by leasing out the steel manufacturing company's Truck to visitors for three months at birr 18,000 per month is subject to tax. The amount of tax to be paid to the tax authority is dependent on the tax rate applicable to casual rental income. As for who is liable to pay the tax to the tax authority, it is the responsibility of the steel manufacturing company that leased out the Truck to visitors to pay the tax.