Bank a has a higher roa than bank b. both banks have similar interest income to asset ratios and noninterest income to asset ratios. we know that (i) bank a has a higher profit margin than bank b (ii) bank a has a higher au ratio than bank b (iii) bank a must have a higher pll/oi ratio.

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.

the answer is i don't know