2. Complete the question bolow (a: 10 marks, b: 4 marks, c: 4 marks) - 18 marks Natalie is considering the purchase of a cellphone service plan. There are two service plans to choose from. Plan A has a monthly charge of $20 plus $0.45 a minute for daytime calls and unlimited eveningight/weekend calls. Plan B has a flat rate of $50 with 200 daytime minutes of calls allowed per month and a cost of $0.40 per daytime minute beyond that, and unlimited eveningight/weekend calls. [G 2. Determine the total charge under each plan for 120 minutes of daytime calls a month. b. Prepare a graph that shows total monthly cost for each plan vs. daytime call minutes. c. Over what range of daytime call minutes will each plan be optimal? 3. Complete the question below ( 12 marks) -12 marks