Complete the following case studies: a. Based on Table 2, create a network model for the following company's product marketing project activities using the CPM method. b. Analyze the critical path and critical time duration for the company's project Table 2. Project Data Activity Description Predecessor Duration [day] A Production Planning 20 E Market Survey and _ 18 Market Research C Production Analysis A 21 D Modeling Product A 31 E Sales Brochures A, B 22 F Cost Analysis C, B 3'1 G Product Experiment D 42 H Sales Training B, E 29 1 Cost Pricing H 18 J Project Report F, G. I 75