firms generally choose to finance temporary net operating working capital with short-term debt because a. short-term interest rates have traditionally been more stable than long-term interest rates b. the yield curve has traditionally been downward sloping c. a firm that borrows heavily long-term is more apt to be unable to repay the debt than a firm that borrows heavily short-term d. sales remain constant over the year and financing requirements also remain constant e. matching the maturities of assets and liabilities reduce risk