Which of the following is NOT a requirement of a security agreement in personal property? OA. It must set forth the creditor's rights on the debtor's default. OB. It must be signed by the debtor. OC. It must indicate the legal description of the property subject to the mortgage. OD. It must describe the collateral clearly so that it can be readily identified. OE. It must contain the debtor's promise to repay the creditor, including terms of repayment (e.g., interest rate, time of payment).