Contribution Margin by Segment

The following information is for Elm Leaf Apparel:

Line Item Description	East	West
Sales volume (units):
Product Alpha	9,300	10,000
Product Omega	5,200	10,400
Sales price:
Product Alpha	$10	$11
Product Omega	$13	$11
Variable cost per unit:
Product Alpha	$6	$6
Product Omega	$8	$8

a. Determine the contribution margin for the East Region and West Region. East Region: fill in the blank 1 of 2$ West Region: fill in the blank 2 of 2$

b. Determine the contribution margin ratio for the East Region and West Region. Round the contribution margin ratio to one-tenth of a percent. East Region: fill in the blank 1 of 2% West Region: fill in the blank 2 of 2%