The diagram below shows the demand and supply of oat milk. The market is initially in equilibrium at EEE.
What would be the most likely cause of the market equilibrium moving from E E\,E to E1E_1E1?
An increase in the cost of harvesting oats and positive reports about the nutritional value of oat milk
An increase in the cost of harvesting oats and negative reports about the nutritional value of oat milk
A reduction in the cost of harvesting oats and positive reports about the nutritional value of oat milk
A reduction in the cost of harvesting oats and negative reports about the nutritional value of oat milk