Quiz Company reported the following information for the last year.

Sales	$4,000,000
Cost of goods sold	2,100,000
Gross margin	1,900,000
Operating expenses	1,100,000
Operating income	800,000
Income taxes (40%)	320,000
Net income	$480,000

Quiz Company began the year with operating assets of $2,700,000. At year end, operating assets were $2,300,000. Quiz Companys required rate of return was 15%, and the cost of capital was 12%. Total capital employed during the year was $1,400,000.

a. Determine margin for the year

c. Determine ROI for the year

d. Determine Residual Income (RI) for the year