[Solved] Jazz and the blues began to reach a wide audience in the 1920s __________. A) by the proliferation of lyrics printed in newspapers B) through small clubs and theaters C) via bootlegged recordings D) with the help of the recording industry and radio Profit Margin: A financial metric indicating the percentage of revenue that exceeds the cost of goods sold, representing the fraction of revenue that constitutes profit. Cash Coverage Ratio: A financial metric that measures a company's ability to pay off its debt obligations with its cash flow, by comparing its operating cash flow to its total debts. Days' Sales: Days' Sales, often referred to as Days Sales Outstanding (DSO), measures the average number of days it takes a company to collect payment after a sale has been made. Receivables Turnover: A financial metric that measures how efficiently a company uses its assets by converting accounts receivable into cash over a period.