To invest capital, the architect Gmez has the following options: a) Fixed-term investment with interest of 21.5% capitalizable by semesters. b) Certificates that pay 20.6%

To invest capital, the architect Gómez has the following options:
a) Fixed-term investment with interest of 21.5% capitalizable by semesters.
b) Certificates that pay 20.6% capitalized each week.
c) Bonds that give you to earn 20.68% compounded by months.
Which is the best option?