Tundra Technologies (TT) was founded two years ago with a $100,000 investment for 2.0 million common shares. TT has since had 3 additional rounds of financing (4 rounds including my $100,000 investment). Round 2 was $2.0 for 1 million shares. Round 3 was for $1.5 million for 0.5 million shares and round 4 was $5 million for 2 million shares. What was the pre-money valuation for round 4 financing? 

Using the same information from the previous problem, (Tundra Technologies (TT) was founded two years ago with a $100,000 investment for 2.0 million common shares. TT has since had 3 additional rounds of financing (4 rounds including my $100,000 investment). Round 2 was $2.0 for 1 million shares. Round 3 was for $1.5 million for 0.5 million shares and round 4 was $5 million for 2 million shares.) What was the post-money valuation for round 3 financing?