The consumer’s income rises from $80 to $120, and at the same time the prices of X and Y also change. If the consumer’s budget line is now RS, what are the new prices of X and Y?
- Aprice of X $4; price of Y $12
- Bprice of X $6; price of Y $10
- Cprice of X $10; price of Y $8
- Dprice of X $12; price of Y $6