(a) Teddy Jis a manufacturer of dish washing liquid . If his monthly demand function for 750ml size is q = 4000 - 250p and his total cost function is C(q) = 500+ 0.29. (iv) How many 750ml bottles of dish washing liquid should Teddy J produce per month if he wishes to maximize his profits. 4. (b) A firm has an average cost function 125 q Aq) + 4 16 where q is the firm's output. (i) Determine the level of output for average costs are minimum. (ii) Hence determine the range of values for which average costs are decreasing