Consider the following data for a project to install a new server at the Northland Pines High School: Activity Activity Time (days) Immediate Predecessor(s) 1 a. Choose the correct network diagram below. O A. C. S 5 06 S (D3) G 3 וד F F H W3 D Q N B G F 5 F IN H 6 Q ABCDEFGHIN LO 5 6 AA A 3 B 1 B 9 B, C 3230 J 8 OB. D, E LL F LL F G, H, I D. and the project duration is days. (Enter your response as a whole number.) b. Calculate the critical path for this project. The critical path is 3 B E G F 5 H S 2 96 S 3 B5

A B с D E FL ד G H J K L M N P R S T U V 1 On Week 3 Forecast 4 2 a) Smell Fresh Customer Orders hand 1 2 20 20 5 3 5 PAB 20 50 30 3222 4 5 6 7 8 Problem 6: Georgia Clay and Gravel was updating the MPS record for one of its products, Smell Fresh Cat Litter. Partially-completed MPS time-phased record is given below. 20 30 30 30 30 30 Week 10 30 50 20 40 10 Item: Smell Fresh On hand 1 6 Available to Promise 7 MPS 50 50 50 50 Forecast 20 8 MPS lot size = 50 9 20 10 On Week hand 2 3 4 5 6 7 8 9 20 53 43 78 30 30 30 30 30 3220 2233 -250 30 10 30 50 6 8 45 12 13 14 PAB 15 11 b) Smell Fresh Forecast Customer Orders Available to Promise 16 MPS 17 MPS lot size=50 18 19 20 21 23 24 222 Orders Projected available balance Available-to-promise MPS MPS Lot Size = 50. 50 20 40 10 50 50 50 a) Complete the MPS time-phased record (the first table on the left). The following events occurred during week 1: • Actual demand during week 1 was 25 units. • Marketing forecasted that 40 units would be needed for…

The expected times and variances for the activities for a project for Test Marketers, Inc. are given below. (Assume time is provided in days.) ID 12345678 Description Pilot production Select channels of distrib. Develop mktg. program Test market Patent Full production Ad promotion Release Predecessor None None None 1 1 4 3 2,5,6,7 t₂ 6 7 4 4 10 16 3 2 Varlance [(b-a)/6]² 34225221 10

15. For the network shown: Crash Cost/week - (CC-NC)/(NT-CT) TOTAL COST-$44,000 Crash D-$1,000 Crash G-$2,000 Crash A-$3,000 0 0 ATS) Activity A B 54 C D E F 45 45 B(10) C(8) 1514 15 10 13 12 14 Normal Time 5 8 6 7 14 15 15 D(6) 21 20 19 21 a. Determine the critical path and the early completion time in weeks for the project. b. For the data shown, reduce the project completion time by three weeks. Assume a lin- ear cost per week shortened, and show, step by step, how you arrived at your schedule. 20 19 E(7) 14 13 17 F(4) 17 21 Normal Cost $7,000 12,000 5,000 4,000 3,000 6,000 7,000 21 20 21 25 G(4) 25 Crash Time 3 7 7 24 23 22 A 2 B3 C1 D1 E1 5 6 F1 3 G1 Crash Cost $13,000 18,000 7,000 5,000 6,000 7,000 9,000 A $3,000 B $2,000 C $2,000 D $1,000 E $3,000 F $1,000 G $2,000