Answer:
The answer is: (I) Bank A has a higher profit margin than Bank B
Explanation:
A bank's ROA (Return on Assets ratio) measures the bank's return on investment. ROA ratio is determined using the following formula:
ROA ratio is the most common benchmark used to compare bank profitability, since it is so easy to use.
So if Bank A has a higher ROA than Bank B, then Bank A has a higher profit margin than Bank B.