Which of the following formulas is used to compute the latest completion time of an activity, Ay?
Min {Latest start time(Ax)} where Ax is all activities receiving input from Ay.
Min {Latest completion time(Ax)} where Ax is all activities receiving input from Ay.
Max {Latest start time(Ax)} where Ax is all activities receiving input from Ay.
Max {Latest completion time(Ax)} where Ax is all activities receiving input from Ay.