"Recent hostilities between Russia and Ukraine have led to an increase in world oil prices. A pall of gloom has fallen among car manufacturers that rely primarily on sales of cars with large engines that run on petrol, Meanwhile, electric car manufacturers are quietly optimistic about their future." Explain, with the help of diagrams, how hostilities between Russia and Ukraine might lead to higher world oil prices and impact the markets for cars that run on petrol and electric cars. " 10 mad