can you solve question 6-53 by the critical path method?

the figures a and b

G: H: 1: G H H I,J K L L B.MN Compile pertinent data Choose top three models Test-drive all three choices Gather warranty and financing data Choose one car Choose dealer Search for desired color and options Test-drive chosen model once again Purchase new car K: L: M: N: O: *6-52. Determine the critical path for the project network in Figure 6.44. 6-53. Determine the critical path for the project networks in Figure 6.45. 6-54. Determine the critical path for the project in Problem 6-47. 6-55. Determine the critical path for the project in Problem 6-49. 6-56. Determine the critical path for the project in Problem 6-50. 6-57. Determine the critical path for the project in Problem 6-51. Problems 303 S FIGURE 6.44 Project networks for Problem 6-52 N 3 6 6 2 2 4 10 & 10 15 3 8 1 10 10 12 2 10 5/ 4 6 Project (a) Project (b) FIGURE 6.45 Project network for Problem 6-53 6-58. Given an activity (i.j) with duration D, and its earliest start-time and its latest and the latest start times of (1,1)