Purplebottle opened its first café in Star State on September 25, 2010. The founder wanted it to be different because hesaw coffee not as a kind of fast food but as a culture to be tasted slowly. The shop’s clerks slowly pour hot water overground coffee beans. The coffee then drips down little by little into a cup, so that is why people have to wait longer for acup of coffee at his shop.
          After its first café was a success, Purplebottle made its way to other states. It opened 40 cafés in the north in 2012. In2013, the number of Purplebottle cafés rose to 150. Though it started in the east, most of its stores are in the north. Thisyear, it is planning to open 80 more cafés.
          Purplebottle’s sales are increasing because coffee lovers are surprised at its coffee. They think its coffee is verydifferent from machine-made coffee. They have turned away from Barstuck and are now going to Purplebottle. In 2015,the company reached US$50 million in sales, and this year it will bring in more than US$100 million.
         Klein is the only state in the west without Purplebottle cafés. People there can’t wait to taste the coffee atPurplebottle, but for now, they can only enjoy the best coffee in the world by traveling to another state.
 ＊ founder 創立者 pour 倒；灌 ground 經研磨過的 drip 滴下
【題組】

17.If Purplebottle’s sales keep “increasing,” what would the sales chart look like?
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