is it if S0=FC/DC exp(exchange rate)=current rate * S0*(1+Inflation FC)/(1+inflation DC) and exp(exchange rate)=current rate * S0*(CPI DC)/(CPI FC) ?
is it if S0=FC/DC exp(exchange rate)=current rate * S0*(1+Inflation FC)/(1+inflation DC) and exp(exchange rate)=current rate * S0*(CPI DC)/(CPI FC) ?