CHAPTER 3 PROJECT MANAGEMENT 99 c) If you wish to reduce the time required to complete this project by 1 week, which activity should be crashed, and how much will this increase the total cost? d) What is the maximum time that can be crashed? How much would costs increase? PX 3.32 Kimpel Products makes pizza ovens for commercial use. James Kimpel, CEO, is contemplating producing smaller ovens for use in high school and college kitchens. The activities necessary to build an experimental model and related data are given in the following table: NORMAL CRASH CRASH TIME TIME NORMAL COST IMMEDIATE ACTIVITY (WEEKS) (WEEKS) COST ($) ($) PREDECESSOR(S) A 3 2 1,000 1,600 B 2 1 2,000 2,700 C 300 300 D 7 W 1,300 1,600 A E 6 3 850 1,000 B F 2 4,000 5,000 C G 4 2 1,500 2,000 D , E a) What is the project completion date? b) Crash this project to 10 weeks at the least cost. c) Crash this project to 7 weeks (which is the maximum it can be crashed) at the least cost. PX . . 3.33 What is the minimum cost of crashing the following project at Sawaya Robotics by 4 days? PX NORMAL CRASH TIME TIME NORMAL CRASH IMMEDIATE ACTIVITY (DAYS) (DAYS) COST COST PREDECESSOR(S) Design 6 5 900 1,000 Wiring 8 6 300 400 Chip 4 W 500 600 install Software 5 900 1,200 A, B W 1,000 C Testing 8 5 1,600