A firm is currently operating at full capacity. Net working capital, costs, and all assets vary directly with sales. The firm does not wish to obtain any additional equity financing. The dividend payout ratio is constant at 40 percent. If the firm has a positive external financing need, that need will be met bya.accounts payableb.fixed assetsc.long-term debtd.retained earningse.common stock

The long term debt is one of the type of long and fixed rate of interest and effectively balance the organizational liabilities and the cash flow process.

The long term debt is the term which is used to refers to the higher quality of principle balance in which it is easy to manage the payments and the budget on the basis of the operational income.

According to the given question, the long term debt is needed when the firm has the positive external financing factors and the main benefit of the long term debt that the investors are invested due to the interest payment and the fixed rate in the market.

Therefore, Option (C) is correct answer.