Determine the missing amounts. jelling ice Unit Variable Costs Unit Contribution Margin Contribution Margin Ratio $370 $296 $ (a) % (b) $430 $ (c) $172 % (d) (e) ) ta $ (f) $315 30 % Determine the missing amounts. Unit Selling Price Unit Variable Costs Unit Contribution Margin CI M 1. $370 $296 (a) ) 2. $430 ta (c) $172 3. $ (e) ta (f) $315