Financial data for Joel de Paris, Incorporated, for last year follow:

The company paid dividends of $$337,600$ 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.

Compute the company's margin, turnover, and return on investment $($ROI$)$ for last year. $($Do not round intermediate calculations and round your final answers to $2$ decimal places.$)$

What was the company's residual income last year?

Answer is complete but not entirely correct.

$\backslash$table$[[1.$ Average operating assets,$$2,168,500,],[2.$ Margin,$15\mathrm{.}00vv,\%$