Small paper on construction management

Small paper on construction management.

Part 1- Risk

When a project manager is gathering information about risks, is it a good idea for her to set limits on the number of risks that will be considered? Why or why not?

Part 2- Estimates

Why are accurate estimate is critical to effective project management?

Part 3 - Types of Costs

 Why is it important for project managers to understand the fixed and variable cost of a project? How are fixed and variable cost different then direct and indirect costs ?

the paper needs to be at least 400 words and 2 properly formatted citation.