Bob, Inc. manufactures two products Small and Large. The following information was gathered about the two products: Small Large Budgeted sales in units 3,500 1,500 Budgeted selling price $600 $1,700 Budgeted contribution margin per unit $800 $1,200 Actual sales in units 3,700 1,800 Actual selling price $650 $1,680 What is the total sales-quantity variance in terms of the contribution margin? (Round intermediary calculations to two decimal places.) $460,000 Favorable $100,000 Favorable $180,000 Favorable $280,000 Favorable