1. A project has the following information relating to the duration and cost for the tasks involved. All the tasks require specialist scientific skills in order to complete them. The maximum number of people that can work on the project at any one time is 6, due to the nature of the working space.

Task	Duration (days)	predecessor	Specialists needed per day	Cost per person per day to carry out task
A	4		2	250
B	2		2	300
C	2	A	4	250
D	4	A	6	225
E	1	B,D	1	450
F	2	D	2	275

Draw a network diagram indicating free float and total float

Work out the minimum time needed to complete the project. Show histograms to illustrate how you arrived at the figure

Calculate the minimum people cost of doing so

Using the additional information regarding materials and hire of specialist equipment for the project, draw up a cash flow forecast. Calculate the total cash needed and indicate the cumulative cash flow situation graphically

Task	Materials cost per day	Equipment hire cost per day
A	200
B	450	150
C	200
D	500	750
E	300
F	150	75