Dave fletcher was able to determine the activity times for construction his laser scanning machine. fletcher would like to determine es, ef, ls, lf, and slack for each activity. the total project completion time and the critical path should also be determined. here are the activity.

activity time(weeks) immediate predecessor(s) activity time(weeks) immediate predecessor(s)

a 5 - e 3 b
b 8 - e 7 b
c 2 a g 10 c, e
d 3 a h 8 d, f

Some disadvantages to leasing a car is that you are counting on someone to give you money every week or month depending on what you decided and if they don't have all of it well what if you needed that money now you as well have to pay not in full. a disadvantages to purchasing a new vehicle is if it is used then not all the time will absolutely everything work. its almost like a trail and era. although if it is a new car they will try to though all these specials and deals at you in your lease and it can be very overwhelming if you are not use to it.   

The answer is c) it has a lower cost to attend 

Answer (c) the knowledge of how to produce new products;                     (b) a more efficient means of production;