XYZ has three products X, Y and Z. The following information pertains to these products X, Y, and Z. Contribution margin percentages are 50%, 30%, and 20% respectively. Sales mix percentages are 40%, 30%, and 30% respectively. Monthly fixed costs are estimated to be $100.00. The weighted average contribution margin percentage is

	a.	more than 40%.
	b.	between 36% and 40%.
	c.	between 33% and 36%
	d.	less than 30%.