Four Dollar a Gallon Gasoline Was Unimaginable When Mechanical Gas

Four dollar a gallon gasoline was unimaginable when mechanical gas pumps first appeared in the United States in the 1930s.Their spinning dials cannot register sales beyond $99.99,which will not fill up many SUVs.The pumps can be modernized for about $650,but the company that provides this service has a huge backlog.This is an example of how _____ factors affect small convenience stores and service stations.

A) technological and cultural
B) competitive and natural
C) economic and technological
D) cultural and economic
E) demographic and marketing mix