Assume a simple, two$-$state $($active vs$.$ inactive$)$ customer transition matrix. It is given that the probability of a customer, who is active today, to remain active in the next period is $75\%.$ In the same transition matrix, what is the probability of customer who is inactive today to become active in the next period?

A$.75\%$

B$.100\%$

C$.0\%$

D$.25\%$