Joe has been managing a project for Exton Oil Corp. this project involves redesigning filling stations across the state. The redesign involves new gas pumps, security cameras, convenience stores, and use of environmentally friendly materials in the construction. While the redesigning work proceeds, Joe's design engineer suggests a secondary alarm system for gas pumps to alert attendant in case of a spill. Although this suggestion is not in the project requirements, Joe is impressed with the engineer's recommendation and instructs him to carry out a change impact analysis. Based on the change impact analysis, Joe, and his design engineer, have updated the Risk Register, Cost, Schedule, Scope baselines as well as the Requirements Documentation. However, Joe's implementation engineer has informed them that they had forgotten to update the O a. The Business Case O b. The Requirements Traceability Matrix c. The Budget for the Project O d. WBS Dictionary and the WBS