The task is to generate the correct answer for a given math problem.

Problem: if sharon ' s weekly salary increased by 16 percent , she would earn $ 348 per week . if instead , her weekly salary were to increase by 15 percent , how much would she earn per week ?
$ 345

Problem: how many diagonals does a polygon with 13 sides have , if one of its vertices does not connect to any diagonal ?
54

Problem: the length and breadth of a rectangle is increased by 5 % and 15 % respectively . what is the increase in the area ?

20.75