Activity Activity Description Cost ($) Most Probable Pessimistic B Develop product design Plan market research Optimistic 80,000 18,500 91,000 20,000 59,000 98,000 23,000 63,000 C Prepare routing D 56,000 142,000 21,500 E 155,000 25,000 11,500 F 9,000 Build prototype model Prepare marketing brochure Prepare cost estimates Do preliminary product testing Complete market survey Prepare pricing and forecast report Prepare final report 149,000 24,000 10,000 15.000 10,000 4,900 10,000 G H I J 13,200 9.500 4,800 8,500 16,000 11,200 5.000 12,000 Carry out PERT analysis to find: a) What is the probability of finishing the project with $382,000? b) What will be the project cost to be %75 sure that the project will finish