Construct a network diagram based on the activity descriptions below. Show all your work. Label activities in the network by their activity letters. Calculate the project duration?

• Activities A, B, C start the project.
• Activities D and E can start when Activity A is completed.
• Activity F depends on Activities A and B.

• Activity G is preceded by Activities B and C

• Activity H follows Activities D and E.
• Activity I is preceded by Activity E.
• The predecessors to Activity J are Activities F and G.
• Activity K cannot begin until Activities H, I and J are finished.