Clementine Company makes skateboards. They prepare master and flexible budgets and then perform variance analysis after the budget plan period elapses. Their data is as follows: Budget Actual $97 $107 Selling price per unit Variable cost per unit Quantity sold $50 $55 989 1,028 What is the Clementine's volume variance for SALES? If the variance is unfavorable put a minus sign in front of your answer. Enter your answer without commas or decimals