Resource Allocation and Leveling The following data were obtained from a project to expand a school. Activity Duration Predecessors Resources/Cost A 2 weeks -- Two excavators/$800 day each B 3 weeks -- Two dump trucks/$600 day each C 2 weeks B Two concrete mixers/$250 day each D 3 weeks A and C Two cranes/$2,000 day each E 2 weeks B One high-lift/$500 day each F 1 weeks B Two excavators/$800 day each G 3 weeks F Two cranes/$2,000 day each The contractor has access to the listed quantity of machines of each type available at the listed cost. The 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 resources 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?