9 Rock Inc. has three divisions, Granite, Lime and Nina. All fixed costs are unavoidable. Following is the income statement for the previous year: 7:04 Sales Variable Costs Contribution Margin Fixed Costs (allocated) Profit Margin Granite Lime Nina $504,000 $272,500 $226,000 192,000 124,400 100,900 312,000 148, 100 125, 100 268,000 152,250 121,750 $ 44,000 $ (4,150) $ 3,350 Total $1,002,500 417,300 585,200 542,000 $ 43,200 a. What would Rock's profit margin be if the Lime division were dropped? b. What would Rock's profit margin be if the Nina division were dropped?

Rock Inc. has three divisions, Granite, Lime and Nina. All fixed costs are unavoidable. Following is the income statement for the previous year: a. What would Rock's profit margin be if the Lime division were dropped? b. What would Rock's profit margin be if the Nina division were dropped