Jiffy Lube is a "service product" that is neither made from physical matter (other than the oil) nor does the oil change service itself (other than the delivery mechanism=garage) occupy physical space, so "showing the service to the customer" both before, during and after the process is almost impossible. This is known as which part of service intangibility within the key service communication challenges? A) incorporeal existence B) abstractness C) generality D) non-search ability E) mental impalpability