$1)$ Write down input equations: D$\_$A$($t$)=?,$ T$\_$B$($t$)=?,$ J$\_$C$($t$)=?,$ K$\_$C$($t$)=?,$ D$\_$D$($t$)=?2)$ Write down next state equations: Q$\_$A$($t$+1)=?,$ Q$\_$B$($t$+1)=?,$ Q$\_$C$($t$+1)=?,$ Q$\_$D$($t$+1)=?3)$ Write down the state table$\mathrm{.}4)$ Draw the state diagram.Create a document with your answers in form of $.$pdf file. $*$Notice that this circuit does not accept any inputs.