原需求 : p = 125 - 6q ..... (1) 原供給 : p = 5 + 6q ..... (2)
兩式聯立 :
2p = 130 , p=65 , q=10
原均衡價格及數量 (p,q) = ( 65 , 10 )
政府對生產者每箱課徵 72 元
供給 : p = 5 + 6q + 72 ..... (3) 需求 : p = 125 - 6q ..... (1)
兩式聯立 :
2p = 202 , p=101 , q=4
課稅後均衡價格及數量 (p,q) = ( 101 , 4 )
消費者多付的金額 :
課稅後價格 - 原價格 = 101 - 65 = 36 ..... 答案 (B)
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三星將 Galaxy A 系列定調為具品味的金屬機，因此外型設計上看得出來和其他系列有很大的不同，變得更輕、更薄、更銳利，不過從方形凸出的主鏡頭還有半橢圓的 Home 鍵等細節還是看得出三星設計的元素。而 Galaxy A7 是 A 系列中螢幕最大的一款，5.5 吋 Full HD Super AMOLED 螢幕能展現三星手機一貫的濃郁色彩表現，對於時常拿手機來看電影、電視劇的族群 Galaxy A7 會是不錯的選擇。
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風靡長達13年、一路陪伴全球千百萬名玩家度過青春歲月的日本超人氣遊戲《魔力寶貝®》，即將在手機上重現經典！艾玩天地宣布取得此款由日本SQUARE ENIX(株式會社スクウェア・エニックス)授權並監製、北京完美世界研發的回合制MMORPG跨時代手機遊戲大作《魔力寶貝®》手機版的台港澳地區代理權，預計將於近期上市推出！
三星在年前連續推出三款金屬機身的超薄手機 Galaxy A3、A5、A7，先前我們曾對 
