P3 (20 pt). As a new reliability engineer you have been tasked to advice your manager whether you should hire a third party for servicing your equipment for preventive maintenance purpose. This service will cost your company $500/ month. If the preventive maintenance plan is implemented , "only 2 breakdown per month is expected" as the servicing contractor claims. You have collected the breakdown data history for a month (see table 3 listed below). Each time a machine breaks down, it costs $300 as an average to fix it. The number of break downs and frequencies per month are listed below without preventive maintenance. Based on average number of breakdowns per month do you recommend preventive maintenance? (compare the plan based on costs of preventive plan and non- preventive maintenance). labie 3. break down summary per month