Thus, the imbalance in the volume of mail exchanged magnifies the effect of the relatively higher rates in these countries.
( Thus ( , ( ( ( the imbalance ) ( in ( ( the volume ) ( of ( mail exchanged ) ) ) ) ) ( ( magnifies ( ( the effect ) ( of ( ( the ( ( relatively higher ) rates ) ) ( in ( these countries ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Thus)) (, ,) (NP (NP (DT the) (NN imbalance)) (PP (IN in) (NP (NP (DT the) (NN volume)) (PP (IN of) (NP (NP (NN mail)) (VP (VBN exchanged))))))) (VP (VBZ magnifies) (NP (NP (DT the) (NN effect)) (PP (IN of) (NP (NP (DT the) (ADJP (RB relatively) (JJR higher)) (NNS rates)) (PP (IN in) (NP (DT these) (NNS countries))))))) (. .)))
The balance of ingoing and outgoing mail is completely even.
( ( ( The balance ) ( of ( ingoing ( and ( outgoing mail ) ) ) ) ) ( ( is ( completely even ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN balance)) (PP (IN of) (NP (JJ ingoing) (CC and) (JJ outgoing) (NN mail)))) (VP (VBZ is) (ADJP (RB completely) (RB even))) (. .)))