Excellent condition 8-line wireless PBX system of Yistar type

There are 5 units, price per unit is 3000 SAR And in case of purchasing more than one unit, meaning... If two units, the second one will be calculated at 2800 If three units, the third one will be calculated at 2700 If four units, the fourth one will be calculated at 2600 If five units, the fifth one will be at 2200 Meaning the total price for the 5 units together becomes 13300