ABC Bank Performance Metrics:

ABC Bank, a prominent financial institution, reported its financial figures for the fiscal year 2023.

The bank's total assets amounted to $800 billion, while its total liabilities were $600 billion. The

bank's net income for the year stood at $20 billion, and its shareholders' equity was $200 billion.

a) Calculate the bank's leverage ratio.

b) Determine the debt ratio of the bank.

c) Find out the bank's net profit margin.

d) Calculate the return on equity (ROE) percentage.