%) P2.10 (similar to) Assume that an investor buys 100 shares of stock at $38 per share, putting up a 69% margin. a. What is the debit balance in this transaction? b. How much equity funds must the investor provide to make this margin transaction? c. If the stock rises to $54 per share, what is the investors new margin position? a. The debit balance in this transaction is $ (Round to the nearest dollar.)