The currencies and the rates are invented. Over a year the exchange rate of the Tavian crown (TVC) moves from 1 TVC = 1.25 Sol dollars (SOD) to 1 TVC = 1.00 SOD. (i) Calculate the percentage change in the value of the crown against the Sol dollar. [2] (ii) Calculate the percentage change in the value of the Sol dollar against the crown. [2]

Paper 2-style short part (standalone practice; not an IB question).