Crystal Chen is in negotiations with Toll Brothers, a large home builder in USA, to construct her dream home. During the design and selection process, Crystal was careful to choose economical options. She wants to stay within her budget of $300k and wants a firm, fixed price from Toll Brothers. Given the wild price fluctuations in lumber, windows, appliances and more, Toll Brothers will only do a firm, fixed price contract with ________________ after each major milestone of the home (foundation, frame house, interior walls, install utilities, etc). because there are so many unknowns. Group of answer choices incentives redetermination cost-sharing force majeure