Sam started a venture 5 years ago with $700,000 dollars and owns 75% of the 400,000 shares issued. She went to Gemini Ventures and they offered $450,000 for 400,000 new shares. What is the post money valuation? a) $900,000 b) $1,200,000 c) $1,600,000 d) $2,400,000 e) $4,200,000