5. Which of the following is an internal source of liquidity OA) Borrowing. OB) Sales of stock. C) Gifts and donations. OD) Sales of products or services. 6. Which of the following accounts could be categorized as either a current or noncurrent liability depending on date the debt is due? O A) Notes payable and deferred taxes. OB) Accounts payable and current portion of long-term debt. O C) Deferred taxes and mortgages due in 30 years. OD) Long-term warranties and accounts payable