^{________________________}Problem 5.

At the end of each month, a research and development team writes status reports for theprojects worked on during the month. The team leaders, Andrew and Julie, submit thereports to the R&D director on the first Monday of each month. It is late Friday evening andto their surprise, they have discovered that the month ends on Sunday and the reports aredue on Monday morning. They have decided to come to work early Saturday morning, sothey can finish the reports before Monday morning. They split the work as follows: Andrewwill write and edit the reports while Julie collates data and draws all the graphs.Assume that Julie starts her work on a report as soon as Andrew is finished with it and thatAndrew works continuously. Times for the reports (in hours) are as follows:

Projects Andrew Julie

A 4 2

B 3 5

C 5 1

D 7 3

E 8 6 . What is the order of the projects using Johnson's rule?

b. How many hours will it take them to finish all the reports?

c. How many hours is Andrew idle?

d. How many hours is Julie idle?