Concentrated milk with a water content of51% (mass %) and a density of 1065 kg m²3, enters a spray dryer at a flow rate of30460 L h¹.If the powder has a water content of 3.1%(mass %), how much powder is produced per hour in kilograms? (round answer to nearest kg).

Assume that the milk consists of water and solids and all the solids are in the powder.