Remaining Time: 1 hour, 27 minutes, 57 seconds. Question Completion Status: 4 5 60 7 20 3 31 320 330 83 99 100 120 13 14 15 16 40 179 180 190 34 35 369 370 38 396 QUESTION 3 For the purpose of estimating and pricing, which of the following is considered to be an element of overhead costs? a. Building maintenance b. Vacation or paid leave O c. Executive management salary d. all of the above QUESTION 4 In the following late project there are multiple remaining activities on the critical path. The sequence of actives is shown below. The cos these activities ($1000) is also given in the table below N O P Q M 20 1 30 Activity Crash cost/week No. Of weeks available for R 20 30 1 2 15 1 5 0 1