​An individual in the US wants to buy office equipment from England which costs 2,000 pounds.If the exchange rate is 1pound=$1.9,how much will the office equipment cost him in dollar terms?

A) ​$2,000
B) $2,800
C) $3,800
D) ​$1052

The originator of the idea of the invisible hand, which is a fundamental concept in free market capitalism, was

A) Adam Smith.
B) Archie Carroll.
C) Jack Ma.
D) Noel Biderman.
E) Milton Friedman.