Consider two events AAA and BBB where P(A)=0.45P(A) = 0.45P(A)=0.45, P(B)=0.30P(B) = 0.30P(B)=0.30, and P(A∪B)=0.60P(A \cup B) = 0.60P(A∪B)=0.60. Determine the value of P(Ac∣Bc)P(A^c | B^c)P(Ac∣Bc).
0.786
0.857
0.625
0.550