Westerville Company reported the following results from last years operations:

Sales	$	1,000,000
Variable expenses		300,000
Contribution margin		700,000
Fixed expenses		500,000
Net operating income	$	200,000
Average operating assets	$	625,000

At the beginning of this year, the company has a $120,000 investment opportunity with the following cost and revenue characteristics:

Sales	$	200,000
Contribution margin ratio		60	% of sales
Fixed expenses	$	90,000

The companys minimum required rate of return is 15%.

Questions

4. What is the margin related to this years investment opportunity?

7. If the company pursues the investment opportunity and otherwise performs the same as last year, what margin will it earn this year?

9. If the company pursues the investment opportunity and otherwise performs the same as last year, what ROI will it earn this year?

11. What is last years residual income?