Q$\mathrm{.}7$: The forward pass in project network calculations determines the

a$)$ Earliest itmes an activity can begin

b$)$ Earliest times an activity can be finished

c$)$ The longest time that the project can take

d$)$ Critical path of the project

e$)$ Orily A anid B are correct

$($i$)A,B$ and $C$ are all correct