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’s can making to decision to order bubble.