In 1950, about 15% of the Earth's land surface was covered by rainforest. In fewer than fifty years, more than half of the world's tropical rainforests have fallen victim to fire and the chain saw, and the rate of destruction is still accelerating.
The Big Mac was first introduced in 1967 by Jim Delligatti, a McDonaldâs franchisee from Pennsylvania, and the following year was available nationwide. McDonaldâs is continuously testing and innovating to meet its customersâ needs.
the price of a Big Mac was $3.57 in the United States (varies by store) the price of a Big Mac was Â£2.29 in the United Kingdom (varies by region) the implied purchasing power parity was $1.56 to Â£1, that is $3.57/Â£2.29 = 1.56; this compares with an actual exchange rate of $2.00 to Â£1 at the time (2.00-1.56)/1.56 = 28%