b) Isabella owns a manufacturing firm that produces IoT devices. Her daily production function is given by q = 108K'L'. Let X= C+5 and let Y=4 20 20 i) Suppose L = 0.5D, where L is the number of workers employed each day and K = 0.25D +A, where K is the number of machines being used each day. What is Isabella's daily output? [2 mark] ii) Suppose Isabella increased both capital and labour by 29%, calculate her new output [1 mark] iii) State the Marginal Productivity of Capital, given the increase in input factors. [1 mark] iv) What is the percentage change in output as a result of the increase in input factors? [1 mark] v) State the type of returns to scale. If it is increasing returns to scale, state "IRS as your answer, if it is constant returns to scale, state "CRS as your answer and if it is decreasing returns to scale, then state DRS as your answer. [1 mark]