I need all ES,EF,LS,LF

 

14. You are the manager of a project to improve a billing process at your firm. Table 7.7 contains the data you will need to conduct a cost analysis of the project. Indirect costs are $1,600 per week, and penalty costs are $1,200 per week after week 12.- Table 7.7 Data for the Billing Process Project Activity Immediate Predecessor(s) A Normal Time (wks) Crash Time (wks) Normal Cost ($) Crash Cost (5) 4 1 5,000 8,000 B 5 3 8,000 10,000 C A 1 1 4,000 4,000 D B 6 3 6,000 12,000 E B, C F D 7 6 4,000 7,000 7 6 4,000 7,000 a. What is the minimum-cost schedule for this project? b. What is the difference in total project costs between the earliest completion time of the project using "normal" times and the minimum-cost schedule you derived in part (a)?