Folic Acid Incorporated has $$34$ million in earnings, pays $$4\mathrm{.}4$ million in interest to bondholders, and $$2\mathrm{.}7$ million in dividends to preferred stockholders.

What are the common stockholders$$ residual claims to earnings?

Note: Do not round intermediate calculations. Enter your answer in millions rounded to $2$ decimal places $($e$.$g$.,$ $$1\mathrm{.}23$ million should be entered as $"1\mathrm{.}23").$