contribution margin income staloment of Krazy Kustard Donuts for August 2024 tollows (Click the icon to view the contribution margin income statement) Krazy Kustard sells eight dozen plain donuts for every four dozen custard filled donuts. A dozen plain donuls sells for $3.50, with total variable cost of $140 per dozen. A dozen custard-tilied donuls sells for $6.50, with total variable cost of $260 per dozen Read the tequirements lequirement 1. Calculate the woighted-average contribution margin. (Round all currency amounts to the nearest cent.)