When the supply curve of a factor is perfectly elastic the factor income is most likely: A.Entirely economic rent B.Entirely opportunity cost C.Part economic rent and part opportunity cost
【单选题】Cell phones have played an important role in our lives. However, there are times when their use can be annoying, and inappropriate in a business setting. So when you are making phone calls, you should...
A.
speak loudly when using your cell in public places
B.
if you must drive and use your cell, use hand-free equipment
C.
be sure ringtones are not offended or are songs that contain lyrics that may be offensive