A construction company conducts bidder conferences for purchasing components for a builders project. The proposals are received and reviewed. One supplier proposes excellent rates that the unrealistic for conducting sustainable business according to internal expert judgment.What should the project manager next?
A、Ask the supplier to provide additional information about their cost structure.
B、Ask the procurement department to quickly sign the contract.
C、Add penalty clauses to the contract to ensure the supplier fulfills their obligations.
D、Change the cost baseline accordingly.