The following data were obtained from a project to expand a warehouse: Activity Duration Predecessors Resources/cost A 2 weeks -- 1 Excavator/$800 day B 3 weeks -- 1 Excavator/$800 day C 2 weeks -- 1 Concrete Mixer/$250 day D 3 weeks A 1 Crane/$1,000 day E 2 weeks C 1 High-lift/$500 day F 1 week B, D 1 Crane/$1,000 dayThe contractor has only one machine of each type available at the above costs, and operations cannot be split. Additional equipment can be rented at a 50% cost premium if needed. a. Identify any resource conflicts in the above project. State the activities involved, the time frame of the conflict(s), the resources in conflict and the quantity of resource involved. b. What is the least cost method of resolving the conflict(s), assuming the project duration must not be extended? What additional cost, if any, will be incurred? (Note that the job is operating a standard 5 day week).