(a) Resource allocation is a part of resource management tasks with an attempt to reschedule the project tasks so that a limited number of resources can be efficiently utilized while keeping the unavoidable extension of project to a minimum. With a real example, clearly explain the steps that are involved in resource allocation.

(b) "Resource management in construction projects is important as it affects the project duration and cost. Resource planning and management is a key ingredient for competitiveness and profit-ability" (Karaa & Nasr, 1986). With the help of project management terminology, discuss and elaborate the definition and benefits of:

(i) Resource scheduling

(ii) Resource loading

(iii) Resource leveling