please answer the attachment below. thanks

Question 2 (a) (i) A pair of shoes is listed at RM248, and a sign indicated 40% discount, find its selling price. [6 marks] (ii) Raju paid RM252 for a camera that offered a discount of 70%, find the original price of the camera. [6 marks] (b) (i) The revenue function of a product is given by R(x) = 180x - 75 and the cost function is C(x) = 165x + 1590, where x is the number of items of the product manufactured. Find the value of x for the product to be at break-even status. [6 marks] (ii) If the revenue function for the another product is R(x) = 180x and its cost function is C(x) = x2+ 197x - 200, find the range of values of x for | the product to be at profitable status. [7 marks] [Total: 25 marks]