What is last year's residual income?

Westerville Company reported the following results from last year's operations: Sales $ 1, 800, 000 Variable expenses 435, 000 Contribution margin 1, 365, 000 Fixed expenses 1, 005, 000 Net operating income $ 360, 000 Average operating assets $ 1, 200, 000 At the beginning of this year, the company has a $300,000 investment opportunity with the following cost and revenue characteristics: Sales $ 360, 000 Contribution margin ratio 70 % of sales Fixed expenses $ 216, 000 The company's minimum required rate of return is 10%