Which of the following would shift the supply curve for a commodity to the right? An increase in the price of a substitute of that commodity in production b. An increase in consumer income (assuming...

Extracted text: Which of the following would shift the supply curve for a commodity to the right? An increase in the price of a substitute of that commodity in production b. An increase in consumer income (assuming that the commodity is a normal good) c. A decrease in the number of firms that produce that commodity A decrease in the price of an input used to produce that commodity