please help with the following question here attached below

After collecting and analyzing the MTBF data, you were surprised at how often your machines really broke down. At your last company, you remember that they had a service firm that would come in and perform preventive maintenance (PM) on your machines and you wonder if this would be an option to reduce breakdowns. However, before you go to your boss to pitch the idea, you want to see if using an outside PM firm would reduce your cost. So you do some research on the cost and run another study on the number of breakdowns of your machines. Over the last 12 months, the machines have broken down at the rate indicated in the following table: Number of Breakdowns Number of Months that Breakdowns Occurred 1 7 2 3 3 2 You also do some research on breakdown cost and find that the average cost of a breakdown to your firm is $350. You find a service firm and request a price quote from them. The PM service firm costs $200 per month, but they tell you that you can still expect on average of 2 breakdowns per month even with the PM service