The following information is for Cabin Craft Apparel:

Line Item DescriptionEastWestSales volume (units): Product Alpha4,7005,300Product Omega3,9007,200Sales price: Product Alpha$18$19Product Omega$22$20Variable cost per unit: Product Alpha$11$11Product Omega$13$13

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%