(3 of 3) The Super Duper Refrigerator Corporation manufactures two refrigerators, the Super and the Duper. The following information was gathered about the two products: Super Duper 800 3200 $600 $1700 Budgeted Sales in units Budgeted selling price Budgeted contribution margin per unit Actual sales in units Actual selling price $420 $1100 3500 $650 1500 $1680 (Quest 3 of 3) What is the total sales-mix variance in terms of the contribution margin? $340,000 favorable $556,000 favorable $220.000 favorable $896,000 favorable