Management approach, 15% Technical approach, 15% Past performance, 20% Price, 20% Interview results and samples, 30% Ising Figure 12-5 and the weighted scoring model template as guides, create a spreadsheet hat could be used to enter ratings and calculate scores for each criterion and total weighted cores for three proposals. Enter scores for Proposal 1 as 80, 90, 70, 90, and 80, respectively. inter scores for Proposal 2 as 90, 50, 95, 80, and 95. Enter scores for Proposal 3 as 60, 90, 0, 80, and 65. Add a paragraph to the spreadsheet that summarizes the results and your