The following data for Romero Products Inc. are available:

For the Year Ended December 31	Actual		Planned		DifferenceIncrease or (Decrease)
Sales	$2,766,100		$2,528,300		$237,800
Variable costs:
Variable cost of goods sold	$1,472,600		$1,331,700		$140,900
Variable selling and administrative expenses	278,600		289,500		-10,900
Total variable costs	$1,751,200		$1,621,200		$130,000
Contribution margin	$1,014,900		$907,100		$107,800
Number of units sold	19,900		19,300
Per unit:
Sales price	$139		$131
Variable cost of goods sold	74		69
Variable selling and administrative expenses	14		15

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