If the interest rate in the UK is 4% while in Sweden the interest rate is 6%, then

a.an investor should invest only in British bonds.

b.an investor should be indifferent between British and Swedish bonds.

c.an investor should invest only in Swedish bonds if the exchange rate is expected to remain constant.

d.an investor should invest only in British bonds if the exchange rate is expected to remain constant.

e.an investor should invest only in Swedish bonds.