Sheridan is the primary provider of spirit apparel for many high schools. Managernent has been evaluating two of its key products for changes in selling price and sales volume in comporison to expectation the quarter-zip jacket and the booded sweatshirt. Sheridaris expectation and actual results were as follows. Actual variable costs equaled the flexible budent varlable costs. How much was Sheridan's sales mix variance this yean How much was the compary's sales quantity variarke