The following cost information pertained to the Violin Division of Stringing Music Co. and was based on monthly demand and sales of 100 units: Per-Unit Costs $ 290 320 230 Variable production costs: Direct materials Direct labor Variable factory overhead Fixed production costs: Depreciation (equipment) Factory rent Other 190 218 46 Total production cost Variable selling & administrative costs Fixed selling & administrative costs $1,294 $ 58 per unit $ 70 per unit Given a normal selling price per unit of $1,300, what is the contribution margin per unit sold for recurring (i.e., normal) sales? Multiple Choice $846. $826. $786. $402. $1,010