TB MC Qu. 16-86 (Algo) The weighted-average budgeted contribution margin per unit: Arrow Incorporated Arrow, Incorporated, manufactures two products that it sells to the same market. Excerpted below are its budgeted and actual operating results for the year just completed: Industry volume was estimated to be 1,830,000 units at the time the budget was prepared. Actual industry volume for the period was 2,260,000 units. Arrow measures variances using contribution margin. The weighted-average budgeted contribution margin per unit is: Multiple Choice $9.37. $9.42. $10.72. $11.96. $12.57