gardial greenlights, a manufacturer of energy-efficient lighting solutions, has had such success with its new products that it is planning to substantially expand its manufacturing capacity with a $20 million investment in new machinery. gardial plans to maintain its current 50% debt-to-total-assets ratio for its capital structure and to maintain its dividend policy in which at the end of each year it distributes 50% of the year's net income. this year's net income was $8 million. how much external equity must gardial seek now to expand as planned? enter your answer in millions. for example, an answer of $1.23 million should be entered as 1.23, not 1,230,000. round your answer to two decimal places.