Examlex
Based on the customer table below, which of the attributes do you think represents the primary key?
Customer table
Average Days
An accounting measure used to calculate the average number of days taken for a company to collect cash from its customers or pay its debts.
Dividend Yield Ratio
An economic ratio that illustrates the yearly dividend disbursement of a company as a percentage of its stock value.
Net Profit Margin
A financial ratio that shows the percentage of profit a company makes for each dollar of sales, after all expenses are deducted.
Return on Equity
A measure of a corporation's profitability that calculates how much profit a company generates with the money shareholders have invested.
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