Which of the following would represent the calculation to determine how long it would take an investment of 60000 to double if was invested at an annual rate of 6.3% compounded semi-annually?

Which of the following would represent the calculation to determine how long it would take an investment of 60000 to double if was invested at an annual rate of 6.3% compounded semi-annually? O 2= (1.063) O 2 = 1(1.032) O 2 =3(1.063)21 O 2=1(1+ .063 2 - out of 1