∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ ∅∅∅ US$ R