The company paid dividends of $$15,000$ last year. The "Investment in Buisson, S$.$A$.""$ on the balance sheet represents an investment in the stock of another company. The company's minimum required rate of return of $15\%.$

Required:

Compute the company's average operating assets for last year.

Page $529$

Compute the company's margin, turnover, and return on investment $($ROI$)$ for last year. $($Hint: Should you use net income or net operating income in your calculations?$)$

What was the company's residual income last year?