The method 7, wherein at least a portion of the billing information, associated with the order for the one or more of {HEAD ~ the customized set} of products or {TAIL ~ services}, is not accessible by the agent associated with the server device 
The method 7 , wherein at least a portion of the billing information , associated with the order for the one or more of { HEAD ~ the customized set } of products or { TAIL ~ services } , is not accessible by the agent associated with the server device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH