What affect will favorable weather leading to extended growing season have on the market for wheat? (select all that apply) What affect will favorable weather leading to extended growing season have on the market for wheat? (select all that apply) A leftward shift in the demand curve. A rightward shift in the demand curve. A leftward shift in the supply curve. A rightward shift in the supply curve. A decrease in the equilibrium quantity. An increase in the equilibrium quantity. A decrease in the equilibrium price. An increase in the equilibrium price