Red Hawk Enterprises sells handmade clocks. Its variable cost per clock is $6.20, and each clock sells for $15.00 Calculate Red Hawk's unit contribution margin. Unit Contribution Margin Calculate Red Hawk's contribution margin ratio Round your contribution margin percentage ratio to one decimal places i.e. .123 should be entered as 12.3%. Contribution Margin Ratio Suppose Red Hawk sells 1,900 clocks this year. Calculate the total contribution margin. (Round contribution margin per unit to 2 decimal places.) Total Contribution Margin