A construction cost estimate serves one of the three basic functions: design, bid, and control. Which of the following is NOT an explanation for these functions? Group of answer choices In design estimates, preliminary estimates need more design information than engineer's estimates based on plans. Either a design estimate or bid estimate is used for the project finance establishment. For the contractor, the direct cost of construction for bid estimates can be derived from quantity takeoffs. A control estimate is used for monitoring the project during construction