Problems and applications q10 a friend of yours is considering two cell phone service providers. provider a charges $120 per month for the service regardless of the number of phone calls made. provider b does not have a fixed service fee but instead charges $1 per minute for calls. your friend's monthly demand for minutes of calling is given by the equation qd=150? 50p, where p is the price of a minute. with provider a, the cost of an extra minute is $ . with provider b, the cost of an extra minute is $ . given your friend's demand for minutes and the cost of an extra minute with each provider, your friend would talk for minutes with provider a and minutes with provider b. this means your friend would pay $ for service with provider a and $ for service with provider b. use the following graph to draw your friend's demand curve for minutes. then use the green triangle to you answer the questions that follow. note: you will not be graded on any changes you make to the graph. demand triangle 0 20 40 60 80 100 120 140 160 180 200 5.00 4.50 4.00 3.50 3.00 2.50 2.00 1.50 1.00 0.50 0 price of minutes quantity of minutes your friend would obtain $ in consumer surplus with provider a and $ in consumer surplus with provider b. given this information, which provider would you recommend that your friend choose? provider a provider b