this is the 2nd question

QUESTION 3 (CLO2) a. Determine whether the following production functions exhibit constant, increasing, or decreasing returns to scale. Provide relevant workings to support your answers il Q=0.25% + 5Y3OZ QAL' GLK + 3K Q-2L** (12) b. Describe the condition of finding the optimum level of single input and multiple inputs. illustrate and discuss theconcept of finding the optimum level of multiple inputs (8) [Total: 20 marks] (TOTAL: 50 Marks) TASK 2 (50%) QUESTION 1 (CL03) 3. The Five Forces model of business strategy identifies threat of substitutes, threat of entry, power of buyers, power of suppliers, and the intensity of rivalry as the determinants of sustainable incumbent profitability in a particular industry. Discuss each of the Five Forces and provide relevant examples to support your answers. (10) b. Jane manages a small bakery that takes only "make-to order cakes. Her total cost (TC) and total revenue (TR) functions are as follows: TC=50 + 800-1000 TR = 1000 - 80 The bakery has a capacity of handling 30 units at any one time Determine the price she should charge if she wants to maximise total revenue. Compute the price she should charge if she wants to maximise profits. (10) Total: 20 marks)