PLEASE HELP!!. need a true correct answer.

A two-digit locker combination has two non-zero digits and no two digits are the same. Event A is defined as choosing an even digit for the first number, and event B is defined as choosing an odd digit for the second number.
If a combination is picked at random, with each possible locker combination being equally likely, what is P(B|A) expressed in simplest form?

A. 4/9
B. 1/2
C. 5/9
D. 5/8

PLEASE HELP need a true correct answer A twodigit locker combination has two nonzero digits and no two digits are the same Event A is defined as choosing an eve class=