In Markov Analysis,to Find the Vector of State Probabilities for Any

In Markov analysis,to find the vector of state probabilities for any period,

A) one should find them empirically.
B) subtract the product of the numbers on the primary diagonal from the product of the numbers on the secondary diagonal.
C) find the product of the vector of state probabilities for the preceding period and the matrix of transition probabilities.
D) find the product of the vectors of state probabilities for the two preceding periods.
E) take the inverse of the fundamental matrix.