題組內容

下列問題以中文或英文作答皆可,請標明題號,並寫下計算與推論過程,若無適當過程可能無法得到 完整分數。 四、 (20%) Suppose the Demand curve of product A is Qo= 40 - 2P, and the Supply curve is Qs=P+ 1.

(1) Please calculate the equilibrium price and quantity.