Q 1. List and describe items that should be included when estimating activity costs.2. Define the following: TBC, CBC, CAC, CEV, CPI, CV, and FCAC. How is each calculated?3. (b) Below is a table of actual costs. What is the cumulative actual cost at the end of week 6? Determine whether there is a cost overrun or underrun. What is causing it?3. (c) Below is a table of the cumulative percentages of work completed by the end of week 6. What is the cumulative earned value of the project at the end of week 6? Is it good?3. (d) What is the CPI at the end of week 6? What is the CV?3. (e) Calculate the FCAC using the first two methods described.