It doesn't seem expensive--they use it in Bangladesh, after all.
( ( ( ( It ( ( does n't ) ( seem expensive ) ) ) -- ) ( they ( ( ( ( use it ) ( in Bangladesh ) ) , ) ( after all ) ) ) ) . )
(ROOT (S (S (NP (PRP It)) (VP (VBZ does) (RB n't) (VP (VB seem) (ADJP (JJ expensive))))) (: --) (S (NP (PRP they)) (VP (VBP use) (NP (PRP it)) (PP (IN in) (NP (NNP Bangladesh))) (, ,) (ADVP (IN after) (DT all)))) (. .)))
If it's used in Bangladesh and the rest of South Asia, it's a cheap item.
( ( If ( it ( 's ( used ( in ( ( Bangladesh and ) ( ( the rest ) ( of ( South Asia ) ) ) ) ) ) ) ) ) ( , ( it ( ( 's ( a ( cheap item ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP it)) (VP (VBZ 's) (VP (VBN used) (PP (IN in) (NP (NP (NNP Bangladesh)) (CC and) (NP (NP (DT the) (NN rest)) (PP (IN of) (NP (NNP South) (NNP Asia)))))))))) (, ,) (NP (PRP it)) (VP (VBZ 's) (NP (DT a) (JJ cheap) (NN item))) (. .)))