Total number of rebates Total number of reversals = total number of daily rebates + total number of rebates from time to time (remove the number of duplicates)
Total number of recurrents Total number of people sold - the total number of daily returns to the water , the total number of time to return to water (removal of the number of duplicates calculated)
Total number of people returning water offset total number = total number of people returning water every day + total number of people returning water from time to time (calculated by eliminating the number of repeated people)<br>