Elena has €3120 (3120 Euros) that she would like to convert to U. S. dollars ($). Suppose the current conversion rate is one Dollar is $1 = Euro €1.11. How much money will she have in dollars? Round your answer to the nearest hundredth.

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.