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The correct answer is A.
The two primary categories of ratios used for credit analysis are leverage and coverage ratios.
A leverage ratio is any one of several financial measurements that look at how much capital comes in the form of debt (loans) or assesses the ability of a company to meet financial obligations.
A coverage ratio is a measure of a company’s ability to meet its financial obligations. In broad terms, the higher the coverage ratio, the better the ability of the enterprise to fulfill its obligations to its lenders.