EX5-3 (Algo) Below is a project WBS with cost... Below is a project WBS with cost apportioned by percents. If the total project cost is estimated to be $601,000, what are the estimated costs for the following deliverables? (Round the final answer to the nearest dollar.) Router systems project 601000 Definition Design Implementation 10% 41% 49% Objectives Requirements Inputs Outputs Files Interfaces Programming In-house testing Customer testing and review 5% 5% 3% 5% 5% 10% 18% 38% 11% a. Design? b. Programming? c. In-house testing? All of the following are weaknesses inherent in this estimating annroach EXCEPT: Click to select) If total cost estimate is off, all other costs will be off It requires good, realistic historical data. The project must be very similar to past projects for estimates to be useful It requires significant time to develop estimates