determine the missing amounts

unit selling price

$1.$ $$900$

$2.$$$400$

$3.$ $$\_\_\_\_$

Unit Variable Costs

$$522$

$$\_\_\_$

$$\_\_\_$

Unit Contribution Margin

$$\_\_\_$

$$184$

$$300$

Contribution Margin Ratio

$\_\_\%$

$\_\_\%$

$20\%$