a$)$ Draw a network diagram for the project.

b$)$ Mark the critical path and state its length.

c$)$ If the Rover $6$ had to be completed $2$ days earlier, would it help to

i$)$ buy preassembled transmissions and drivetrains?

ii$)$ install robots to halve engine$-$building time?

iii$)$ speed delivery of special accessories by $3$ days?

d$)$ How might resources be borrowed from activities on the noncritical path to speed activities on the critical path? $Px$