FTP can invoke webMethods IS services by using virtual directories to point to services. What is the FTP command to navigate to the virtual directory representing the service "companyx.inbound:postToERP" stored in the Utils package?
cd /Utils/companyx/inbound/postToERP
cd /invoke/companyx.inbound/postToERP
cd /ns/companyx/inbound/postToERP
cd /ns/companyx.inbound/postToERP