EX5-5 (Algo) Below is a project WBS with cost... Below is a project WBS with cost apportioned by percent. If the total project cost is estimated to be $610,000, what are the estimated costs for the following deliverables? (Round the final answers to the nearest dollar.) Definition 9% Router systems project $610,000 Design 42% Implementation 49% Objectives Requirements Inputs Outputs Files Interfaces Programming In-house testing Customer testing and review 10% 4% 5% 4% 2% 5% 11% 20% 39% a. Design? b. Programming? C. In-house testing? All of the following are weaknesses inherent in this estimating approach EXCEPT: (Click to select)