ANSWER THE FOLLOWING

Problem 9-20 (Algorithmic) Norton Industries is installing a new computer system. The activities, the activity times, and the project network are as follows: Activity Time Activity Time A 3 E 4 B 8 F 4 4 G D 6 H A Start H D Finish B G The critical path calculation shows B-D-E-F-H is the critical path and the expected project completion time is 26 weeks. After wiewing this information management requested overtime be used to complete the project in 16 weeks. Thus crashing of the project is necessary. The following information is relevant: Cost (s) Time (weeks) Normal Crash Activity Normal Crash A 3 1 900 1700 8 3 2000 4000 4 1 500 1000 6 3 1800 2400 4 3 1500 1850 4 1 3000 3900 6 4 8000 9800 4 2 1000 2000 a. Formulate a linear programming mode that can be used to make the crashing decisions for this projecte necessary round your answers to the nearesi dollar. If the constant is "1" it must be entered in the box. If your answer is negative value enter minus sign Maximum Crash Activity Crash Cost/Week ($) A B D E F IIIII G I H Min YA+ YB + Ya + YD + YEt YE+ YG ye s.t. X4 + YA 2 B + YB 2 Pc + VO+ YA 2 PO + VD + XC PD + YD + XB PE+ VE + XO 2 XF+ YE+ WE 2 XG+ YG + XC 2 XG+ VG+ 2 PH + H- XFZ XH+ + XG 2 XH c. Develop a complete activity schedule based on the crashed activity times. If your answer is zero enter "0". Earliest Latest Earliest Latest Critical Activity Start Start Finish Finish Slack Activity A B E Dow I F II) VINI G III H Critical Path: Maximum Crashing: YA VBS yes YDS YES YES G S b. Solve the linear programming model and make the minimum cost crashing decisions. What is the added cost of meeting the 16-week completion time? Round your answers to the nearest dollar. If your answer is zero enter 07 > Activity Crash Time New Time Crash Cost ($) A Total Crashing Cost