In the diagram, six identical circles just touch the edges of rectangle PQRS and each circle just touches the adjacent circles. The centers T,V,W,Y of four of these circles form a smaller rectangle TVWY, as shown. The centers U and X lie on this rectangle. If the perimeter of TVWY is 60, what is the area of PQRS?
Answer Choices
A. 600
B. 900
C. 400
D. 1200
E. 1000