XYZ plc, a paint manufacturer, operates a process costing system. The following details related to process 2 for the month of October: There are no further processing costs associated with either paint X or the byproduct, but paint Y requires further processing at a cost of pound 1.50 per litre. All three products incur packaging costs of pound 0.50 per litre before they can be sold. (a) Prepare the process 2 account for the month of October, apportioning the common costs between the joint products, based upon their values at the point of separation (b) Prepare the abnormal loss/gain account, showing clearly the amount to be transferred to the profit and loss account. (c) Describe one other method of the common cost between the joint products, end explain why it is necessary to snake such apportionments, and their usefulness when measuring product profitability