1. Discuss at least two of the approaches to estimating times and costs for a project.

2. In a specific case project, how times and durations should be estimated on some of the more complicated tasks.

3. How to estimate project times and cost on two complicated tasks in the WBS of a project, and how the estimation should have been done. Is the estimate always supposed to match what is represented in the WBS? Explain your answer.

Reference: Cite two scholarly references (PLEASE)