Which of the following is/are true regarding the movement of the cross exchange rate between currency A and currency B? 1. If currencies A and B move by the same degree against the dollar, there is no change in the cross exchange rate. II. When currency A depreciates against the dollar, while currency B is unchanged against the dollar, currency A depreciates against currency B by the same degree as it depreciates against the dollar. III. When currency A appreciates against the dollar by a larger degree than currency B does, then currency A appreciates against B. IV. When currency A appreciates against the dollar by a smaller degree than currency B does, then currency A appreciates against B. I and I II and IV I and IV 1. Il and III II and