Snyder Brush Company sells standard hair brushes. The following information summarizes Snyder's operating activities for 2012:
Selling and administrative expenses	$49,680
Purchases	78,000
Sales revenue	138,000
Merchandise inventory, January 1, 2012	7,500
Merchandise inventory, December 31, 2012	12,360
Requirements:
1. Prepare an income statement for 2012. Compute the ratio of operating expense to total revenue and operating income to total revenue.
2. Snyder sold 6,000 brushes 2012. Compute the unit cost for one brush.