The following table gives the work items of a certain contract together with estimated quantities and total direct cost. total of indirect cost and made $140,000. a. Develop a balanced bid. b. If you, as a contractor, have a reason to think that rock excavation equation are considerable less than estimated and common excavation is heights velop an unbalanced bid to maximize profit. The following table gives the work items of a certain contract together with estimated quantities and total direct cost. total of indirect cost and made $140,000. a. Develop a balanced bid. b. If you, as a contractor, have a reason to think that rock excavation equation are considerable less than estimated and common excavation is heights velop an unbalanced bid to maximize profit