A dozen eggs cost $0.96 in December 2000 and $2.75 in December 2015. The average wage for workers in private industries was $14.28 per hour in December 2000 and $21.26 in December 2015.

By what percentage did the price of a dozen eggs rise?

By what percentage did the wage rise?

In order to earn enough to buy a dozen eggs, a worker had to work(0.25, 4.03, 14.88) minutes in December 2000 and (0.13,7.73,7.77)minutes in December 2015.

Workers' purchasing power in terms of eggs(rose/fell) between 2000 and 2015.