The following data for Romero Products Inc. are available: For the Year Ended December 31 Actual Planned DifferenceIncrease or (Decrease) Sales $2,362,200 $2,112,200 $250,000 Variable costs: Variable cost of goods sold $1,246,200 $1,127,700 $118,500 Variable selling and administrative expenses 241,800 232,700 9,100 Total variable costs $1,488,000 $1,360,400 $127,600 Contribution margin $874,200 $751,800 $122,400 Number of units sold 18,600 17,900 Per unit: Sales price $127 $118 Variable cost of goods sold 67 63 Variable selling and administrative expenses 13 13 Prepare an analysis of the sales quantity and unit price factors. Romero Products Inc. Contribution Margin AnalysisSales For the Year Ended December 31 Effect of changes in sales: Sales quantity factor $ fill in the blank 1 Unit price factor fill in the blank 2 Total effect of changes in sales $ fill in the blank 3