Construct DFAs for the following languages:

c$.$ The set of strings over $\{1,$ b$\}$ such that the fourth symbol from the rist is a

d$.$ The set of all strings w$1...$wn$,$ n$>=0,$ over $\{0,1,2,3,4\}$ such that w$1+...+$wn$0($mod $5)$

e$.$ The set of binary strings containing at least two $1$s and at most three $0$s

PLEASE ANSWER C$,$ D$,$ and E$!$