Suppose a project plan had three distinct paths through the network. The first path consisted of activities A $(3$ days$),$ B $(4$ days$),$ and C $(2$ days$).$ The second path consisted of activities D $(4$ days$),$ E $(5$ days$),$ and F $(5$ days$).$ The third path consisted of activities G $(2$ days$),$ H $(3$ days$),$ and I $(10$ days$).$ Which is the critical path?

ADG

GHI

DEF

ABC