Estimating is the process of forecasting or approximating the time and cost of completing
project deliverables. Management will often derive estimates from analogy, group
consensus, or mathematical relationships. Bottom-up estimates are typically performed by
the people who are doing the work. Their estimates are based on estimates of elements
found in the work breakdown structure.
a. Elaborate factors that will influencing the quality of estimates
b. Propose the important guideline for a manager can follow to develop useful work
package estimates.
c. Discuss the feasibility and viability of the project to help in evaluating the
sustainability and success of a project.