Johnson & Johnson's capital structure consists of $20\%$ common stock, $40\%$ preferred stock and $40\%$ of debt. The cost of common stock is $14\%$ and cost of debt is $13\%.$ The tax rate is $35\%.$ What should be the cost of preferred stock to maintain the WACC at $13\mathrm{.}78\%$ for Johnson & Johnson?

$18\%$

$19\%$

$22\%$

$20\%$

$17\%$