From the survey of sale in time 12.00-16.00 p.m. on November, 2014. We’re found that the average of sales 1 person per 1 glass and every 1 hour, we will sell items on average 5-10 cups. Therefore, the tea monk shop have sales amount in time 12.00-16.00 p.m. on average 20-40 glass. The information from survey making to forecasting sales on 1 day to average 60-120 glass per day, 420-840 glass per week, and 1680-3360 glass per month. For information of sales, it can making to decision to order bubble. For the past the tea monk shop doesn’t calculated order or planning order so it makes the bubble is not enough.