Hi, While going through the material, I fond below queries. Can anyone help me with them? 1. Page 421 in PDF or slide 15 of Module 5 part 2: Cost of delay is unclear for me. As per my understanding, if cost of delay is higher than those things should be done first to reduce the cost. 2. Page 422 in PDF or slide 17 of Module 5 part 2: Total efforts are 267 days. 5 resources are working for 8 hrs/ day. It means in one day, 5 days efforts will be used. Then formula for schedule should be 267/5 to calculate the days. In mentioned slide, days are divided by hrs and answer 7 seems wrong. 3. Module 6 Part 1: Slide 9 says LT = CT * WIP and LT = WIP/T. This concludes CT = 1/T. Slide 15 says T = WIP/ CT These 2 things are not matching.