The optimal policy is one for which marginal increases or decreases in chosen inventory levels will not confer additional profits.
( ( The ( optimal policy ) ) ( ( is ( one ( ( for which ) ( ( ( marginal ( ( increases or ) decreases ) ) ( in ( chosen ( inventory levels ) ) ) ) ( ( will not ) ( confer ( additional profits ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ optimal) (NN policy)) (VP (VBZ is) (NP (NP (CD one)) (SBAR (WHPP (IN for) (WHNP (WDT which))) (S (NP (NP (JJ marginal) (NNS increases) (CC or) (NNS decreases)) (PP (IN in) (NP (VBN chosen) (NN inventory) (NNS levels)))) (VP (MD will) (RB not) (VP (VB confer) (NP (JJ additional) (NNS profits)))))))) (. .)))
The best policy is one in which small changes in inventory levels will not affect profits.
( ( The ( best policy ) ) ( ( is ( one ( ( in which ) ( ( ( small changes ) ( in ( inventory levels ) ) ) ( ( will not ) ( affect profits ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJS best) (NN policy)) (VP (VBZ is) (NP (NP (CD one)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NP (JJ small) (NNS changes)) (PP (IN in) (NP (NN inventory) (NNS levels)))) (VP (MD will) (RB not) (VP (VB affect) (NP (NNS profits)))))))) (. .)))