You are the project manger assigned to perform seismic retro-fitting on an old office building. You are trying to estimate the costs for this project. You start by assigning the costs associated with each of the project activities. Then you sum up all the individual costs into a final cost estimate. Which type of cost estimating technique id you see?
A. ADM
B. Bottom-up estimating
C. PDM
D. Parametric estimating
E. Analogous estimating