Radha has an option to invest in one of the following weighing schemes. If she wants to invest Rs P, then which scheme will be most beneficial for her?

A. The scheme which comes with the following interest rates and conditions:

I. 24% p.a. interest, compounded every quarter, for one year.

II. 20.32% p.a. interest, compounded every half year, for one year.

III. 20.32% p.a. interest, for one year, compounded every year.