Quantity Price Quantity Price Item (2011) (2011) (2012) (2012) Sneakers 2 $50 3 $70 Manicures 1 $30 2 $40 Consumers in a country buy only two goods, sneakers and manicures. The prices and quantities purchased by urban households are in the table above. The reference base year is 2011. For these data, the inflation from 2011 to 2012 is 20% 5% 10% 3896