For example, computers and related equipment have an estimated annual depreciation rate of 31 percent,7 and new versions of software applications are released every few years.
( ( For example ) ( , ( ( ( computers and ) ( related equipment ) ) ( ( have ( ( an ( estimated ( annual ( depreciation rate ) ) ) ) ( of ( ( 31 percent ) ( ( ( ,7 and ) ( ( new versions ) ( of ( software applications ) ) ) ) ( are ( released ( every ( few years ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN For) (NP (NN example))) (, ,) (NP (NP (NNS computers)) (CC and) (NP (JJ related) (NN equipment))) (VP (VBP have) (NP (NP (DT an) (VBN estimated) (JJ annual) (NN depreciation) (NN rate)) (PP (IN of) (NP (NP (CD 31) (NN percent)) (SBAR (S (NP (NP (CD ,7)) (CC and) (NP (NP (JJ new) (NNS versions)) (PP (IN of) (NP (NN software) (NNS applications))))) (VP (VBP are) (VP (VBN released) (NP (DT every) (JJ few) (NNS years)))))))))) (. .)))
There is no way to peg an exact life expectancy to equipment.
( There ( ( is ( no ( way ( to ( ( peg ( an ( exact ( life expectancy ) ) ) ) ( to equipment ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBZ is) (NP (DT no) (NN way) (S (VP (TO to) (VP (VB peg) (NP (DT an) (JJ exact) (NN life) (NN expectancy)) (PP (TO to) (NP (NN equipment)))))))) (. .)))