这题是有关宏观经济的问题,（请用英语解答）谢谢.
The basket of goods and services that a typical family consumes and their respective respective prices are given as follows:
Base Year Year 1
Food $70 $100
Transportation $50 $60
Clothing $100 $90
Rent $200 $225
A)What is the change in the general price level from the Base Y and to Year 1
B)If a typical family’s annual income has increased from $200,000 in the Beas Y to $210,000 in Year 1 ,is the family better off in Year 1 Explain.