Luke's company had the following information as at December 31st 2012.

Sales - $50,000

Direct Materials - 12,000

Direct Labor - 8,000

Fixed:

Factory Overhead - 6,000

Selling expenses - 6,000

Administrative expenses - 4,000

Variable:

Factory overhead - 3,300

Selling expenses - 4,400

Administrative expenses - 2,300

(i).Calculate contribution Margin Income.

(ii). What is the Gross Margin Income Statement?

(iii).what is the percentage through which the Net Operating Income will increase in $10,000 more in revenues?