Answer:
After checking the attached picture, come to this calculated "Total Time".
Total time 'T'
T = (0.25)(200) + (0.15)(200) + (0.1)(250) + (0.05)(175) + (0.45)(75)
T = 147.5 ps
When the color is mostly on the pic, it means it is dominating the picture.
Indexing maintains consistency among data flow diagrams (dfds) by ensuring that input and output data flows align properly.