Given P (A)= 0 $\cap$ B)= 015Find P (A|B)

Given P (A) = 0.40, P (B) = 0.50, P (A $\cap$ B) = 0.15.Find P (A|B) .

A) 0.20
B) 0.80
C) 0.30
D) 0.375
E) 0.15