With regard to operational hedging versus financial hedging,

Select one:

a$.$ financial hedging is superior because you make more money.

b$.$ since they both have the same goal, stabilizing the firm's cash flows in domestic currency, they are fungible $($interchangeable$)$ in use.

c$.$ operational hedging provides a more stable long$-$term approach than does financial hedging.

d$.$

financial hedging, when instituted on a rollover basis, is a superior long$-$term approach to operational hedging.