Even the lower limit of that differential compounds to a hefty sum over time.
( Even ( ( ( the ( lower limit ) ) ( of ( that differential ) ) ) ( ( compounds ( to ( ( a ( hefty sum ) ) ( over time ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Even)) (NP (NP (DT the) (JJR lower) (NN limit)) (PP (IN of) (NP (DT that) (NN differential)))) (VP (VBZ compounds) (PP (TO to) (NP (NP (DT a) (JJ hefty) (NN sum)) (PP (IN over) (NP (NN time)))))) (. .)))
The differential will not grow.
( ( The differential ) ( ( ( will not ) grow ) . ) )
(ROOT (S (NP (DT The) (NN differential)) (VP (MD will) (RB not) (VP (VB grow))) (. .)))