Question 12 through 19 are based on the following project. It is described in AOA format, including the cost of potential crashes. Activity Normal Time (wk) Cost of First Crash Cost of Second Crash 1-2 4 12 15 12-4 6 11 15 1-3 4 10 12 13-4 5 8 10 4-5 7 19 23 5-6 2 12 14 6-7 5 10 13 5-7 6 15 16 a) If the Es of the task 2-4 is 4 and task is 4 the the Es of the tash 434, what is 5. How many paths can you count from the project precedence diagram? 5. & 2 c & 3 d.) to 4 ch without crashing, what is the projection completion the? 5.) 23 C.) 24 d.) 25 d) Before effect any crashing, what is the crithel puth of the project? a) 1-2-3-4-5-7 b.) 1-3-4-5-7 (.) 1-2-4-5-6-7 d.) 1-2-4-5-7 e) 1-3-4-5-6-7 16) About the puth 1-3-4-5-7, which of followie statements about black time is true? a.) Task 5-7 has a slack the true? 6.) There is no slack time on the north C.) Fuck tusk on the puth has a slacktime of? d) the whole puth has a stack the zucces were 17. Which of the following should be selected to crash for reuerst week? a) 5-6 5.) 6-7 c./ 2-4 d.) 1-2 18) which of the following should be to crash the second week? 5,1 1,3 selected Ci 2-4 4.) To crash The third week, what is Cost? the minimum 9.15 5.14 C) 2o d.) 27