Section B Solve the following problems carefully with detailed workings, steps and answer statements. Write all your answers on the spaces provided below each question. 5. The demand equation of a pack of computer tutorial software produced by a certain company is 5 p=-=x+150, where p is the price per pack in dollars and x is the weekly number of units sold. 2 Assume that the fixed costs for the software are $1000, with variable costs of $5 per pack. a. Formulate the weekly cost, the weekly revenue and the weekly profit functions in terms of x. (8 marks) b. Write the restricted domain and the restricted range of the revenue function. (6 marks) c. Find the break-even production level(s). (8 marks) d. What price results in maximum weekly profit? (6 marks) e. What is the expected maximum weekly profit? (2 marks) CH T08:28 2021/3/3 OL P W