Teringry and Bodict Predenabitty analpso Const, fifarmaten obout the two weribosects is at follows: decimal ptaces. Pipeline Seurfbourds Inc. Contribution Margin by Territory a. Prepare a conthibution margin by sales territory repost. Conyute the contribution margin ratio for eoch terrigory. Roumd contribution marnin ratio ahiswers ta two decimal places. Pipeline Surfboards Inc: Contribution Marni.n - T Breck My Work a. To recast the contribunion margin data by sales temitory report, multply the sales volume by each per unit amount, To calculate the cantribution margin ratio, divide the contribution margin by sales