The second approach is the study of how to analyze for the time spent on the job by comparing the time it takes to process subtasks to redeem the coins taken before and after adjustment.
The second approach is to analyze how work time spent on tasks by comparing the time spent on the task of redeeming the token before and after the update.
The second method is to study how to work, to analyze the time spent in minor works by compare the time used in the subset of steps to change the cabin before and after improvement