Mitchell Co$.$ has $$2\mathrm{.}3$ million of debt, $$2\mathrm{.}5$ million of preferred stock, and $$1\mathrm{.}2$ million of common equity. What would be its weight on preferred stock?

$0\mathrm{.}42$

$0\mathrm{.}20$

$0\mathrm{.}46$

$0\mathrm{.}34$