1. What is the company's unit contribution margin? A. $0.86 B. $2.35 C. $4.10 D. $1.75

2. The company's contribution margin ratio is closest to: A. 42.7% B. 57.3% C. 45.8% D. 21.0%

3. If the company increases its unit sales volume by 3% without increasing its fixed expenses, then total net operating income should be closest to: A. $459,380 B. $453,667 C. $13,380 D. $482,660

A tile manufacturer has supplied the following data: Boxes of tiles produced and sold Sales revenue..... Variable manufacturing expense..... Fixed manufacturing expense. Variable selling and administrative expense.......... Fixed selling and administrative expense Net operating income ........ 520,000 $2,132,000 $650,000 $464,000 $260,000 $312,000 $446,000