on Which one of the following is a requirement that must be met before an involuntary bankruptcy petition can be filed when there are at least 12 unsecured creditors? Select one: Oa. The petition must be signed by creditor(s) to whom the debtor owes more than half of its debts. O b. The petition must be signed by creditor(s) with unsecured debts of at least $5,000 Oc. The petition must be signed by at least three creditors with unsecured debts of at least $16,750 O d. The petition must be filed by all creditor(s) to whom the debtor owes at least $16,750. O e. The petition must be signed by a majority of the creditor(s).