Answer:
Basic calculations as shown in the table above:
Total no breakdowns= 40
??Part : 1
Part: 2
Part: 3
?Calculating cost for maintained contract:
Decision: Since the cost with preventive maintenance ($4000) is lesser than without it ($4648). So they should go with taking the preventive maintenance contract.
a. Clean Water Company has been supplying treated water to a rural resort for the last...