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Part $1$

When does the supply curve$$ shift? When does a movement occur along the supply$$ curve?

If the price of $,$ a$\_\_\_\_\_\_$ the supply curve occurs.

$$

If any factor that influences selling plans other than the price$$ changes, then a$\_\_\_\_\_\_$ the supply curve occurs.

A$.$

movement $$along; shift of

B$.$

movement $$along; movement along

C$.$

movement $$along; shift of

D$.$

shift$$ of; movement along