hey could i get some help with this

E Your grade has been recorded in the Gradebook. Sun, Apr 19, 2020, 9:41:29 PM (America/Los Angeles -07:00) Question 3 -/1 Hide Policies Attempts and Assistance . 3 attempts allowed on this question. . Solution assistance is available after last attempt. . Correct Answer assistance is available after last attempt. . eTextbook and Media assistance is always available. Current Attempt in Progress Determine the missing amounts. Unit Selling Unit Variable Unit Contribution Contribution Margin Price Costs Margin Ratio 1. $550 $231 (a) % (b) $450 $ (c) $216 % (d) 3. (e) $ (f) $360 20 % eTextbook and Media Save for Later Attempts: 0 of 3 used Submit Answer Your grade has been recorded in the Gradebook. Sun, Apr 19, 2020, 9:41:29 PM (America/Los Angeles -07:00)