The supply curve for lentils shifts from

QS = 3+(1/200) P

to

QS = 5+(1/200) P.

This shift corresponds to:

answer choices

1. Supply expansion, leftwards shift on standard graph

2. Supply expansion, rightwards shift on standard graph

3. Supply contraction, leftwards shift on standard graph

4. Supply contraction, rightwards shift on standard graph

5. None of the above