QUESTION 1 The following table shows the precedence relations, normal time and cost and crash time and cost of ac Normal Immediate Crash Normal Crash Activity time Predecessor(s) time cost ($) cost ($) (wks.) (wks.) 8 5 45,000 72,000 B A 12 10 65,000 75,000 B, E 3 1 40,000 65,000 D 15 13 60,000 78,000 E D 10 7 50,000 83,000 We want to crash this project by 3 weeks from the normal completion time. Write down in the box give a. activity (activities) to be crashed b. for each activity given in part (a), by how many weeks to crash. c. additional cost to crash the project by 3 weeks