2- Consider the following project: Activity Activity description Duration (days) Preceding activities B C D E . F G H 15 5 6 3 3 5 10 2 3 2 2 1 1 2 2 None A B B B B B B F G+U 1 D+E+H 1 J Chair Anatomical study for chair Design chair Buy materials for chair seat Make chair seat Buy chair castors Buy steel for chair frame Make chair frame Paint chair frame Assemble chair Apply final finishes to chair Desk Design desk Buy steel for dosk framo Make desk frame Paint desk frame Buy wood and fittings for desk Buy wood and Make desk drawer Make desk top Assemble desk Apply final finishes to dosk General activities Decide paint colours Buy paint and varnish Final project evaluation L M N o Q R S 10 10 5 5 2 - 5 6 1 None K LO M+U 0 o N-P+ Q R 1 2 T U V 10 8 5 5 None T J+S 1. Draw the network diagram (CPM). 2. What is the expected time to complete the project? 3. Nominate activities on critical path. 4. What is the float of activity K? 5. Which activity has the longest float