Consider the following information for a project to add a drive-thru window at Crestview Bank. Activity Time (weeks) Immediate Predecessor(s) 4 1 9 2 4 5 6 12 O.C. Activity A a. Choose the correct network diagram below. B BCDEFGH 6 H 12. F Q G O B. O.D. A 4 S 9 111 A, B B D, C E, C F, G H 12. F Q 57 OC b. Specify the critic The critical path is B-D-F-H A-D-F-H B-E-G-H C-F-H C-G-H FC D. S F and the project duration is weeks. (Enter your response as a whole number.) Q