suppose there are no restrictions on international asset transactions, and people are risk neutral. for each of the following cases, if the values for domestic and foreign interest rates and the spot exchange rates are given, determine what the expected next period future exchange rate is (r* is foreign interest rate)

1. r*=12%, r=6%, and et=$2.00

2. r*=6%, r=12%, and et=$2.00

3. r*=12%, r=12%, and et=$2.00