Simone founded her company using $150 , 000 of her own money, issuing herself 300,000 shares of stock. An angel investor bought an additional 100,000 shares for $100 , 000 . She now sells another 400,000 shares of stock to a venture capitalist for $1.5 million. What is the post- money valuation of the company? A. $4 , 500 , 000 B. $1 , 500 , 000 C. $1 , 650 , 000 D. $3 , 000 , 000.