diff --git a/mba/ch30.org b/mba/ch30.org
index edb2db8..dcea7c6 100644
--- a/mba/ch30.org
+++ b/mba/ch30.org
@@ -103,3 +103,27 @@ PE * net_income = Value
 - total number of shares * price per share
   - 8.3mn shares * 15.8c
   - $1.31m
+
+** second round
+
+- in this scenario we need a second round of investments
+- a second VC firm wants 25% for the next 2 years to invest 1mn
+- shares must be taken from the owner, because the first VC is not giving up their shares.
+
+*** expected return
+- Investment Amount * (1 + percentage / 100) ^ years
+- $1mn * (1.25) ^ 2 = $1.5625mn
+- expected return = $1.5625mn
+
+*** ownership percentage for second VC
+- Ownership Percentage = Expected Return / Expected Company Value
+- $1.5625mn / $10mn = 15.62%
+
+*** founder ownership
+- Founder Ownership - Second VC
+- 24 - 15.62 = 8.4%
+
+*** founders shares
+- Total Shares / Percentage of Company
+- 2mn / 8.4
+- 23.7 mn