Cost of raw materials consumed 300,600 Carriage inwards 6,700 Returns of raw materials 10,800 Closing stock of raw materials 100,250 Manufacturing wages 27,000 Lighting, power, insurance and rent relation to the factory are apportioned 1/3,2/5, 1/6 and 17 with totals N30,000; N75,000; N36,000 and N56,000 respectively. 

The production cost of finished goods is

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