Based on the contract documents, the total value of the contract can be estimated by calculating the total cost of the items awarded to each vendor. For example, Ennis-Flint, Inc. was awarded items 7 and 8, with a total cost of $93,800 + $18,500 = $112,300. Similarly, Garden State Highway Products, Inc. was awarded items 15 and 16, with a total cost of $6,200 + $3,100 = $9,300. Potters Industries, LLC was awarded items 9, 10, 11, 12, and 21, with a total cost of $18,320 + $30,880 + $142,600 + $64,100 + $112,200 = $368,100. Crown USA, Inc. was awarded items 5 and 6, with a total cost of $41,580 + $7,566 = $49,146. The total estimated value of the contract is $112,300 + $9,300 + $368,100 + $49,146 = $538,846.