For each of the questions below, answer with the following types of contracts: UP = Unit price CP = Cost-plus LS = Lump sum Group of answer choices Which type of contract provides the owner with the best estimate of the construction cost at the beginning of the project? Which type of contract would require the project to be well defined even though exact quantities need not to be known? Which type of contract is appropriate when the actual costs of a project and scope of work are difficult to estimate with accuracy? For which type of contract is it likely that construction cost is not optimized? Which type of contract allows the work to start without detailed plans