Simone Founded Her Company Using $150,000 of Her Own Money

Simone founded her company using $150,000 of her own money, issuing herself 300,000 shares. Anangel investor bought an additional 200,000 shares for $100,000. She now sells another 500,000 shares to a venture capitalist for $2 million. What is the post-money valuation of the company?

A) $2,000,000
B) $4,000,000
C) $2,250,000
D) $6,000,000