Danby & Moore, a partnership, requires $300,000 of debt financing to finance its operations, but it also has a lot of assets, including the following: Cash $ 25,000 Equipment $ 50,000 Accounts receivable $150,000 Office Space $250,000 Securities (comprised of many shares of Deep in Debt Corp.) $100,000 List three types of security agreements and the corresponding collateral for each, available to the lender in this situation