Contrnbution Margin, Unit Arnounts, Break-Even Units Information on four independent companies follows. Calculate the cerrect ambant for each smawer blark. Unless otherwise instructed, round all tohat dollar figures (e.gy sales, total contmbution margin) to the fiearest dollar, breakermin or target inits to the nearrot urit, and unat conti wid ueit contribution margins to the neareit cent. Round ratios to two decimal places then enter as a percentage, Uie the minus sign to indicate an operating ioss..