Looking at the information on average amount spent per person per browser, which of the following conclusions seem appropriate?

Target special promotion offers to Firefox users or users of other types of browsers because you get more dollars per user.

Target special promotion offers to IE users because this is the most cost effective.

Before making any specific recommendations, it would be good to take a larger sample size.

Both "Target special promotion offers to Firefox users or users of other types of browsers because you get more dollars per user" and "Before making any specific recommendations, it would be good to take a larger sample size".