wily.com/edugerviti/main.uni PLUS Kome, Survey of Accounting, le Help System Announcements OURCES 1.20 Question 13 Sales are $500000 and variable costs are $320000. What is the contribution margin ratio? O Cannot be determined because amounts are not expressed per unit. 64% 36% 56% Click if you would like to Show Work for this questions Open Show. Work by Study o