ID Task Predecessor Duration ES ID EF

A Form project team None $1$ SL Description

B Interview users A $5$ LS DUR LF

C Survey users A $3$

D Identify new features B$,$ C $2$

E Acquire materials D $4$

F Develop Marketing campaign D $2$

G Produce Prototype E $3$

H Design Graphics F $3$

I Conduct marketing F $5$

J Perform sales calls G$,$ H$,$ I $3$

Help build network Diagram and Gnatt

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