The diagram shows a consumer’s budget line PQ when the consumer’s income was $20 per day and the prices of X and Y were $2 and $1.25 respectively.
The consumer’s income increases to $30 and, at the same time, the prices of X and Y change.
If the consumer’s budget line is now RS, what are the new prices of X and Y?

A
2 )
B
3 )
C
4 )
D
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