Exhibit 4.5 shows the supply curves of a non-durable good. A shift from the supply curve S to S' could be caused by in M used Exhibit 4.5 shows the supply curves of a non-durable good. A shift from the supply curve S to Scould be a decrease in consumer income. an increase in the current price of the product. a patent application that restricts the use of a particular production technology. several competing producers going out of business. an expectation of a higher product price in the future among suppliers.