oast to Coast Surfboards Inc. manufactures and selis two styles of surfboards, Atlantic Wave and Pacific Pounder, These surfboards are sold in two regions, East Coast nd West Coast. Information about the two surfooards is as follows: The sales unit volume for the sales territories and products for the period is as follows: a. Prepare a contribution margin by sales temitory report. Compute the contribution margin ratio for each territory as a whole percent, rounded to two decimal places, if required, Coast to Coast Surfboards Inc. Contribution Margin by Territory