1. Vickis Office Cleaners are responsible for the annual major cleaning of university buildings. The job requires mopping (1^st activity) and waxing (2^nd activity) of each building. Vicki wants to minimize the time it takes her crews to finish cleaning (minimize make-span) the five buildings. She needs to finish in 20 days.

Time required for each building on each activity
	Activity 1	Activity 2
Buildings	Mopping (days)	Waxing (days)
Adams Hall (A)	1	2
Bryce Building (B)	3	5
Chemistry Building (C)	2	4
Drake Union (D)	5	4
Evans Center (E)	4	2

Using Johnsons rule for scheduling, what will be the job sequence?

Time required for each building on each activity
	Activity 1	Activity 2
Buildings	Mopping (days)	Waxing (days)

Using the following table to demonstrate the project progress in a GANTT chart format.

Activity(days)	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Mopping
Waxing