The first independent regulatory commission that was set up by the Congress to regulate the railroads was the:

Using XL Data Analyst, any variables that you want to add should be done ________

A) anywhere in the data set B) at the end of the data set C) at the beginning of the data set D) in the direct center of the data set E) none of the above; variables cannot be added to the data set

Imitation is made more difficult when the foundation for competitive advantage is

a. observable. b. based on complex organizational routines. c. valuable. d. obtainable in the market. e. based on a tangible asset.