1. The market for Bitcoin seems to be perfectly competitive and has no trade barriers or transportation costs across developed countries. These conditions mean that the price of Bitcoin in those countries

a)varies when measured in terms of a common currency, depending on the interest rate.

b)always varies across countries even when measured in terms of a common currency.

c)should be the same number when expressed in terms of the local currencies.

d)should be the same when measured in terms of a common currency.

e)cannot be compared across countries.