【简答题】The table below shows the sales of PC and laptop in an electronics chain store, which specialises in the business of PC and laptop, in each quarter during the year. Using the information from the tabl...
【简答题】Question 2 Use the information in the table below to answer the following questions concerning a consumer's choice between food and clothing. (a)Fill in the blanks that remain in the table. (b)Let inc...