Other things remaining the$$ same, a leftward shift in the supply curve will lead to$$ a$($n$)\_\_\_\_\_\_\_\_.$

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Part $1$

A$.$

increase in the equilibrium price and the equilibrium quantity

B$.$

decrease in the equilibrium price and the equilibrium quantity

C$.$

increase in the equilibrium price and a decrease in the equilibrium quantity

D$.$

decrease in the equilibrium price and an increase in the equilibrium quantity