Which of the following describes one of the main difference between a performance bond and a standby letter of credit? (a performance bond was at issue in Falcoal v. Kurumu) Question 43 options: A) Performance bonds are not used in the United States but letters of credit are used internationally. B) No practical difference in most cases, including the Falcoal case, because performance bonds and standby credits are security devices intended to guarantee the counterparty's performance (they are not payment devices such as commercial letters of credit). C) A performance bond must be issued in writing, while a letter of credit may be issued orally. D) Performance bonds are governed by ICC Rules, while letters of credit are governed by CISG