Question 3: In 2018 steel workers in America received the biggest wage increase in six years after long negotiations with the steel companies. Source: Singh, Rajesh Kumar (2018). See link: https://www.reuters.com/article/us-u-s-steel-union-contract-exclusive/exclusive-u-s-steel-workers- set-to-get-biggest-pay-raise-in-years-sources-idUSKCN1MQ2Q3 At the same time the price of aluminium, which is a substitute for steel, has seen a price drop in 2018 selling at below US$2000 a tonne. This is mainly due to increased supply of aluminium from China. Source: Djukanovic, Goran (2018). See link: https://aluminiuminsider.com/aluminium-year-in-review-and-what-to-expect-in-2019/ What are the effects on the equilibrium price and quantity of steel if the wages of steelworkers rise and, simultaneously, the price of aluminium falls? Draw a diagram to support your