It is a short-term, negotiable, self-liquidating instrument which is used to finance the credit sales of firms. Which is being referred to here?

Commercial Bills Commercial paper Call Money Bank Loans

Commercial Bills

Commercial Bill: A commercial bill is a bill of exchange used to finance the working capital requirements of business firms. It is a short-term, negotiable, self-liquidating instrument which is used to finance the credit sales of firms. When goods are sold on credit, the buyer becomes liable to make payment on a specific date in future.