Answer:
The predetermined overhead rate for each activity.
Activities: Initial concept formation  $42,200;
Cost Drivers: Number of project changes 
Expected Use of Cost Driver/Activity =  15
Predetermined overhead rate for activity = Overhead/Cost Driver=  42,200/ 15= $2813
Activities: Design $556,000;
Cost Drivers :Square feet 
Expected Use of Cost Driver/Activity  = 38,000
 Predetermined overhead rate for activity =Overhead/Cost Driver= 556,000/ 38,000
=$ 14.63
Activities: Construction oversight  $124,200. 
 Cost Drivers: Number of months 
Expected Use of Cost Driver/Activity= 105
Predetermined overhead rate for activity = Overhead/Cost Driver= 124,220/ 105
= 1183.04