A DSLR camera manufacturer assembles and sells x units of professional camera per month. The reveme, cost and price functions are given as below: (b) (c) (d) (e) (f) Revenue: R(x) = 90,000x 0.2x Cost: C(x) = 40,000 + 30,000x Price p(x) = 90,000 - 0.2x Determine the maximum monthly reveme and the mmber of unmits of DSLR camera that should be sold to achieve the maximum monthly reveme. (5 marks) Find the price of each DSLR camera to be sold to achieve its maximum revere. (2 marks) Find the profit function (2 marks) Determine the maximm monthly profit and the member of units of DSLR camera that should be sold to achieve maximum monthly profit. (5 marks) (2 marks) (4 marks) [Total: 20 marks] Find the price of DSLR camera to be sold to achieve its maximum profit. Find the quantity of DSLR camera to be sold to break-even