[Solved] About which of the following aspects of e- commerce and the Internet has the government expressed concern? A) gambling B) dissemination of pornography C) dissemination of hate literature D) evasion of taxes E) all of the above Present Value: A financial concept that discounts future cash flows to their value today, considering the time value of money to assess investment potential. Resource's Current Price: The present market price of a particular resource or commodity, reflecting its current demand and supply. Extraction: The process of removing or obtaining a resource, material, or substance from its source or origin. User Cost: The opportunity cost of using a durable good or natural resource, representing the foregone benefits from not preserving the asset for future use.