ABC Construction Company is preparing a bid for a highway bridge project. Table-1 shows the bid items of the subject project. According to the given information, develop: a) A balanced bid. b) An unbalanced bid to maximize early income, assuming that ABC changes item prices within +/- 19% only. c) An unbalanced bid to maximize profit, assuming that ABC changes item prices within +/- 21% only. Also assume that you know that the actual quantities of concrete for abutment and reinforcement for abutment are 577 Sq. Ft. and 92,588 Lb., respectively. Hints: The general sequence of construction is: excavation, pile construction, footing construction, abutment construction, backfilling, girder setting, slab construction, guardrail construction, and painting. Part c is NOT based on Part b. Table-1 Unit Bid Item Unit Estimated Quantity Total Price Price ($) ($) Excavation Cu. Yard 5,503 97,931.39 Backfilling & Compaction Cu. Yard 1,635 48,337.18 Concrete-Footings Cu. Yard 810 223,557.23 Concrete-Abutments Concrete-Slab Cu. Yard 630 253,745.16 Sq. Ft. 1037 112,320.88 Steel Piles Ft. 9,776 593,674.25 Steel Girders Lb. 99,237 206,756.89 Reinforcement-Footings Lb. 69,138 105,693.69 Reinforcement-Abutments Lb. 82,235 172,235.67 Reinforcement-Slab Lb. 40,077 97,569.37 Guardrail Ft. 572 181,345.96 Painting LS 1 35,330.00