Question: together, and a working prototype is built and tested. Finally, in subproject V suppliers are selected and contracts are negotiated. Exhibit 4.13: Work Breakdown Structure

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together, and a working prototype is built and tested. Finally, in subproject "V" suppliers are selected and contracts are negotiated. Exhibit 4.13: Work Breakdown Structure and Activities for the Cell Phone Design Project ACTIVITY IDENTIFICATION DEPENDENCY DURATION (WEEKS) ) P1 P2 P3 P4 P1 P2 P3 4 3 5 5 S1 P4 P4 5 6 S2 D1 MAJOR SUBPROJECTS/ACTIVITIES Product Specifications (P) Market research Overall product specifications Hardware Software Supplier specifications (5) Hardware Software Product design (D) Battery Display Camera Outer cover Product integration (I) Hardware User interface Software coding Prototype testing Subcontracting (V) Suppliers selection Contract negotiation D2 D3 D4 S1 S1 S1 D1, D2, D3 1 2 1 4 3 11 12 13 14 D4 D2 12 11, 13 4 4 4 S1 S2 V1 V2 10 3 14, V1 a. Calculate the start and finish times for each activity. (Leave no cells blank - be certain to enter "0" wherever required.) Earliest Start Time Earliest Finish Time Latest Start Time Latest Finish Time Activity P1 P2 P3 P4 S1 S2 D1 D2 D3 D4 11 12 13 14 V1 V2 b. Determine the minimum number of weeks for completing the project. Minimum number of weeks c. Find the activities that are on the critical path for completing the project in the shortest time, OP1-P2-P3-P4-S1-D1-D4-11-14-V2 O P1-P2-P3-P4-S1-D2-12-13-14-V2 OP1-P2-P3-P4-S1-D3-D4-11-14-V2 OP1-P2-P3-P4-S1-D2-D4-11-14-V2

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