Reference no: EM132274313

Below is the question i am having difficulty with. Can you please help explain to me how to solve? I am getting lost on the formula for which i need to solve this? I begin to plug in the numbers but i continue to get confused on the cost values when i being to plug in the values.

A real estate agent is considering changing her cell phone plan. There are three plans to choose from, all of which involve a monthly service charge of $20. Plan A has a cost of $.37 a minute for daytime calls and $.16 a minute for evening calls. Plan B has a charge of $.46 a minute for daytime calls and $.14 a minute for evening calls. Plan C has a flat rate of $75 with 300 minutes of calls allowed per month and a charge of $.34 per minute beyond that, day or evening.

c.If the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (Round each answer to the nearest whole number.Include the indifference point itself in each answer.)

Plan A is optimal from zero to __ minutes. Plan C is optimal from __ minutes onward.

d.Suppose that the agent expects both daytime and evening calls. At what point (i.e., percentage of total call minutes used for daytime calls) would she be indifferent between plans A and B? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places. Omit the "%" sign in your response.)

Point __ percent daytime minutes