Folic Acid Inc. has $21 million in earnings, pays $3.1 million in interest to bondholders, and $2.05 million in dividends to preferred stockholders What are the common stockholders' residual claims to earnings? (Do not round intermediate calculations. Enter your answer in millions rounded to 2 decimal places (e.g., $1.23 million should be entered as "1.23").) Residual claims to earnings millon