The decreasing lead time of the quick-line plant makes it competitive at a lower inventory carrying cost.
( ( ( The ( decreasing ( lead time ) ) ) ( of ( the ( quick-line plant ) ) ) ) ( ( makes ( it ( ( competitive ( at ( a ( lower inventory ) ) ) ) ( carrying cost ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (VBG decreasing) (JJ lead) (NN time)) (PP (IN of) (NP (DT the) (JJ quick-line) (NN plant)))) (VP (VBZ makes) (S (NP (PRP it)) (ADJP (JJ competitive) (PP (IN at) (NP (DT a) (JJR lower) (NN inventory)))) (S (VP (VBG carrying) (NP (NN cost)))))) (. .)))
Decreasing lead times make quick-line plants competitive in terms of inventory. 
( ( Decreasing ( lead times ) ) ( ( make ( ( quick-line plants ) ( competitive ( in ( terms ( of inventory ) ) ) ) ) ) . ) )
(ROOT (S (NP (VBG Decreasing) (NN lead) (NNS times)) (VP (VBP make) (S (NP (JJ quick-line) (NNS plants)) (ADJP (JJ competitive) (PP (IN in) (NP (NP (NNS terms)) (PP (IN of) (NP (NN inventory)))))))) (. .)))