The planning department of an electronics firm has set up activities for the development and production of a new MP3 player. Given the information below, develop a project network.

ID	Activity description	Activity predecessor	Activity time (weeks)
1	Staff	None	2
2	Develop market program	1	3
3	Select channels of distribution	1	8
4	Patent	1	12
5	Pilot production	1	4
6	Test market	5	4
7	Ad promotion	2	4
8	Set up for production	4,6	16

The project team has requested that you create a network for the project, and determine whether the project can be completed in 45 weeks.