For Each of the following activities, determine the

maximum delay in the starting time relative to its earliest start time

that will allow all the immediately succeeding activities to be

scheduled anywhere between their earliest and latest completion

times.

a. TF = 10, FF = 10, D = 4

b. TF = 10, FF = 5, D = 4

c. TF = 10, FF = 0, D = 4