Last month when Harrison Creations, Inc., sold 35,000 units, total sales were $306,000, total variable expenses were $217,260, and fixed expenses were $35,500.

Required:
1.	What is the companys contribution margin (CM) ratio?

Contribution margin ratio

%

2.	Estimate the change in the companys net operating income if it were to increase its total sales by $1,600.

Estimated change in net operating income

$