QUESTION 4 The following table is composed of product items and cost items of a firm. Suppose the unit cost of capital and labour are $10 and $20 respectively, #) Fill in the missing columns Units Units of Capital TVC ATC AVC AP MP TFC TC 4 4 of Labour 1 2 3 4 $ 6 2 5 10 14 14 4 4 14 Mark D) What happens to AVC and ATC, when output and AP of a variable factor increase? 1 Mark b) If price is GH23, calculate the firm's profit at the employment of the 6 person. 1 Mark b) Explain why consumers buy more quantities of a commodity at lower prices and producers produce more quantities of a commodity at higher prices? 3 Marks