Contribution Margin: Unit Amounts Consider the following information on four independent companies. Calculate the correct amount for each question mark. Be sure to round any fractional break-even units up to the next whole number. Round variable unit cost and contribution margin per unit to the nearest cent. Round contribution margin ratio to four decimal places. (Express as a decimal-based amount rather than a whole Calculate the correct amount for each question mark. Be sure to round any fractional break-even units up to the next whole number. Round variable unit cost and contribution margin per unit to the nearest cent. Round contribution margin ratio to four decimal places. (Express as a decimal-based amount rather than a whole percent.)