If a company has 6,000,000 shares of common stock outstanding, an option pool reserving 4,000,000 shares of common stock for the grant of options to key employees (out of which 200,000 options have been granted), and a $1,000,000 convertible note where each dollar of principal amount of the note is convertible into two shares of common stock, what is the fully-diluted number of shares of common stock