Nahuel, a coffee company, incurred a debt of 15 million for the fiscal year of 2020. The company used that money with an additional 14 million of its own to buy out a rival company. The ratio of the company's debt to its investment is 0.9. The given scenario illustrates the analysis of _____.
1) asset management ratios
2) liquidity ratios
3) leverage ratios
4) profitability ratios