Is there only special circumstances to using:
Rdc= (1+Rfc)(1+Rfx)
vs.
Specifically breaking out the return:
Unhedged return (Convert into domestic currency at 2 beginning and end to calculate a return using spots at t=0 and t=T)
- Hedged Return (Return % on forward using Forward at t=0 and t=T)
Schweser Mock #2 Afternoon Question 41 uses the second instance. If you use the first instance you get a completely different answer.