JKL Technology Company, a major player in the tech industry, released its financial figures for

the fiscal year 2023. The company's total assets amounted to $6 billion, with total liabilities of $4

billion. Its net income for the year stood at $300 million, and the shareholders' equity was $2

billion.

a) Determine the company's debt-to-assets ratio.

b) Calculate the company's debt-to-equity ratio.

c) Find out the return on assets (ROA) percentage.

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