Which statement is true about Bottom-up estimating?
A.
Estimating the cost of individual work items and then rolling up the costs to arrive at a project total.
B.
Uses the actual cost of a previous similar project as the basis for estimating the cost of the current project.
C.
Using project characteristics (or parameters) in a mathematical model to predict costs.
D.
Cost of quality can also be used to prepare the schedule activity cost estimate.
Explanation:
Bottom-up estimating: Estimating the cost of individual work items and then rolling up the costs to arrive at a project total. It is more accurate.