In the lead up to the 2010 Soccer World Cup 800 000 FIFA approved soccer balls were sold at a

price of R599. In the period before the 2016 Soccer World Cup 1,2 million soccer balls were

sold at a price of R599. The most likely explanation for this is that the supply curve of soccer

balls shifted to the ___________ and the demand curve for soccer balls shifted to the

__________.

[1] right; left

[2] left; right

[3] right; right

[4] left; left