Lamu Ltd. recently introduced an Activity Based Costing (ABC) system. You are provided with the following information: 4. The cost posts identified are: parts; maintenance; store and administration. 5. The cost driven identified for each cost-pool respectively are: number of parts; maintenance hours; number of material requisitions and number of labour hours. 6. Costs for each of the pool and expected levels of activity for each pool are as summarized below: An order has been received for product x3. Its production requires 80 parts; 250 maintenance hours; 120 material requisitions and 300 labour hours. Required: (iii) Using ABC approach, compute the cost of this order. [9marks] (iv) Determine the selling price per unit if the company is to earn a margin of 20%. [3 marks]