To check this, the central bank has tripled interest rates and used hard currency reserves (now reduced to $10 billion in ready cash) to buy back rubles.
( ( To ( check this ) ) ( , ( ( the ( central bank ) ) ( ( has ( ( ( tripled ( interest rates ) ) and ) ( ( ( used ( hard ( currency reserves ) ) ) ( -LRB- ( ( now ( ( reduced ( to ( ( $ 10 ) billion ) ) ) ( in ( ready cash ) ) ) ) -RRB- ) ) ) ( to ( ( buy back ) rubles ) ) ) ) ) . ) ) ) )
(ROOT (S (S (VP (TO To) (VP (VB check) (NP (DT this))))) (, ,) (NP (DT the) (JJ central) (NN bank)) (VP (VBZ has) (VP (VP (VBN tripled) (NP (NN interest) (NNS rates))) (CC and) (VP (VBN used) (NP (JJ hard) (NN currency) (NNS reserves)) (PRN (-LRB- -LRB-) (VP (ADVP (RB now)) (VBN reduced) (PP (TO to) (NP (QP ($ $) (CD 10) (CD billion)))) (PP (IN in) (NP (JJ ready) (NN cash)))) (-RRB- -RRB-)) (S (VP (TO to) (VP (VB buy) (PRT (RP back)) (NP (NNS rubles)))))))) (. .)))
The hard currency reserves have been reduced to $10 billion in cash.
( ( The ( hard ( currency reserves ) ) ) ( ( have ( been ( ( reduced ( to ( ( $ 10 ) billion ) ) ) ( in cash ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ hard) (NN currency) (NNS reserves)) (VP (VBP have) (VP (VBN been) (VP (VBN reduced) (PP (TO to) (NP (QP ($ $) (CD 10) (CD billion)))) (PP (IN in) (NP (NN cash)))))) (. .)))