Kuna hustle zingine zina pay poa lakini hudharauliwa sana,that cooler box is 34 liters capacity. Assume you are selling cold water packed in half a litter plastic bottle. -34Litters of tap water is 8/= -Water guard small tin 30/= -Ice cubes for cooling 100/= So it means that cooler box will carry 68botters in form of half litters. 1.bottle goes at 20/= 68 bottles X 20/ =1360/= Deduct Expenses -Cooler box for hire 200= -Water guard 30/= -32Litters tap water 8/= -Ice cubes for cooling 100/= Expenses 338/= Sales 1360/= Net suplus 1022/= Hiyo ni doo poa perday