Berg Dry Cleaners has determined the following about is.com: Total variable expenses e 541,000,od spessore $27.000, and the server needed to break even in 45.000. Determine the company's current 1) sales revence and operating income intot find the contribution margis ratio the prepare the contribution margin income statement) Une the corrbon mari comment and the shortcut contribution marginapproaches to determine erste revenue and operating income Begin by computing the contribution margination there a whole number) The contribution