8. Addi is in charge of advertising a new product launched by her company. She has defined the advertising for this product as an individual project that consists of seven activities. Following are the characteristics of these activities: Activity Immediate Predecessor(s) Activity Time(in weeks) A None 2 B None 2 C A 4 D B 5 E C 5 F D 2 G E, F 2 Calculate the earliest completion time for the project. a. 10 weeks b. 11 weeks c. 12 weeks d. 13 weeks