must be in DOLLARS not a %

Having heard about IPO underpricing. I put in an order to my broker for 1130 shares of every IPO he can get for me. After 3 months, my investment record is as follows: Price per IPO A B Shares Allocated to Me 630 330 1.130 Share $13 20 11 14 Initial Return 6% 11 D 20 a. What is the average underpricing in dollars of this sample of IPOs? (Do not round Intermediate calculations. Round your answer to 2 decimal places.) Average underpricing