please help

based on Net % return - Stock Effect X Currency Effect Purchasing Power Parity theory posits that exchange rates adjust to inflation differences. Annual price inflation for the next four years in Europe is forecast at 2.8% 3.2% 3.3% 3.5% Annual price inflation for the next four years in Russia is forecast at 6.5% 5.8% 6.8% 6.3% The Spot exchange rate is at 70 Ruble/ Eu PPP > 227 days Peso