Return on equity for $2006$ is:

$20052004$

Operating assets $$10,500$ $$10,000$

Short$-$term debt $1,0001,000$

Long$-$term$-$debt $3,5003,000$

Minority interest $500450$

Common equity $5,5005,000$

Operating income $1,350$

Interest expense $350$

Tax expense $(40\%)400$

Minority interest $50$

Net income $550$

Assume all assets are operating assets; all current liabilities are operating liabilities.

Question $4$ options:

$20\mathrm{.}41\%$

$19\mathrm{.}75\%$

$17\mathrm{.}54\%$

$18\mathrm{.}12\%$