Let T_{k} be the transformation of the coordinate plane that first rotates the plane k degrees counterclockwise around the origin and then reflects the plane across the y-axis. What is the least positive integer n such that performing the sequence of transformations T_{1}, T_{2}, T_{3}, \ldots, T_{n} returns the point (1,0) back to itself?

**Answer Choices**

A. 359

B. 360

C. 719

D. 720

E. 721