题就给了6种商品占GDP的权重,还写了说the base year expenditures of the typical consumer break dowan as follows, suppose that since the base year the prices of food and beverages have increased by 10%,the price of housing has increased by 5%,and the price of medical cre has increased by10%,other prices are unchanged,find the CPI for the current year
求解!!谢谢