Greenwald limited manufactures a variety of consumer products, including handsoaps and UV sanitizers.
	Based on an monthly volume of 10000 units, the predicted cost per unit of an UV sanitizer follows.
		Direct materials	$13.50
		Direct labor	$3.50
		Factory overhead	$9.50
		Total	$26.50
	These cost predictions include $15000 in facility-level fixed factory overhead averaged over 10000 units.
	In addition to facility-level fixed factory overhead, monthly fixed selling and administrative cost totals $26,000.
	UV sanitizers are currently sold at $50 per unit.
(a)	What is the unit contribution margin of UV sanitizer? Round the number to the nearest cent.
	$
(b)	How many units of air purifiers should Greenwald sell to at least breakeven in a month? Round up your number.
	At least		units
(c)	Assuming an income tax rate of 20 percent, what dollar sales volume is currently required to obtain an after-tax profit of $4,000?
	Round the amount to the nearest cent.
	$
(d)	In the absence of income taxes, what sales volume in dollar amount will provide the same profit of $4000?
	Round the amount to the nearest cent.
	$