Which of the following for headers produces the values from 27 through 3, decrementing by 3?

a. for (unsigned int i{27}; i <= 3; i += 3)
b. for (unsigned int i{27}; i >= 3; i -= 3)
c. for (unsigned int i{27}; i > 3; i -= 3)
d. All of the above.

b. for (unsigned int i{27}; i >= 3; i -= 3)