Bl: Compute New Standard Product Costs. {1'L tab in Excel File] 1. DC. does not currentl},r track actual cost information, but Kay has estimated some additional production data provided in Table 5. Using the approacl1{es] you recommended in PartA and the estimated data provided in Tables 15 and the Case, use Excel to compute estimated total cost, prot margin, and margin percentage for each of the four jobs identified in Table 5, Panel A. 2. Compare your costs and profitabilityr per bar to Kay's estimates in Table 4|. 1What is the potential financial impact of using your method instead of Kafs? {Maximum 2 paragraph discussion. include at bottom of tab 1, under calculations]