vueuna). Mellor Ltd produces and sells product R. All units produced are sold. You are provided below with revenue and costs data of the product at different levels of activity Production and 100 500 600 750 900 1200 Sales (Units) 1250 8.500 42.500 51.000 53.750 76 500 102000 106 255 Sales Revenue Costs Cost W Cost X Cost Y 5.000 9.000 10.000 11.500 13.000 16.000 16.500 5.000 5.000 5.000 5.000 5.000 5.000 5.000 5000 25000 30000 37.500 45.000 60.000 62.500 5.000 5.000 .000 10000 10000 10.000 15.000 11.500) (1.500 1.000 (250) 1.500 11.000 7.250 Profit (Loss) The cost behaviour patterns of each one of the above costs indicates that each can be classified as one of Variable, Semi-Variable, Fixed or Step-Fixed in relation to the number of units produced and sold. Required: i. Classify each one of the costs (W, X, Y Z) above in terms of their behaviour patterns (Variable, Semi- Variable, Fixed or Step-Fixed) in relation to number of units produced and sold. (4 marks) il. What does the total variable cost per unit amount to for producing and selling one (1) unit of product R? (2 marks) iii. Calculate the profit or loss for Mellor Ltd if it produced and sold 2,000 units of product R. marks) iii. The fixed and variable elements of a semi-variable cost can be determined using the high-low method or regression analysis. Which one of these 2 methods provide a more accurate estimate? You are required to justify your