Question 16 Great Southern Consultants Group's computer system has been down several times over the past few months, as shown below. Each time the system is down, the firm loses an average of R4000.00 in time and service expenses. They are considering signing a contract for preventive maintenance. With preventive maintenance, the system would be down on average only 0.5 per month. The monthly cost of preventive maintenance would be R2000.00 a month. Estimate the following variables: a) Expected number of breakdowns per month b) Expected cost of breakdowns per month c) Preventive maintenance cost per month d) Which is cheaper, breakdown or preventive maintenance? Question 16 Great Southern Consultants Group's computer system has been down several times over the past few months, as shown below. Each time the system is down, the firm loses an average of R4000.00 in time and service expenses. They are considering signing a contract for preventive maintenance. With preventive maintenance, the system would be down on average only 0.5 per month. The monthly cost of preventive maintenance would be R2000.00 a month. Estimate the following variables: a) Expected number of breakdowns per month b) Expected cost of breakdowns per month c) Preventive maintenance cost per month d) Which is cheaper, breakdown or preventive maintenance