1
FRng = Rd - Es
Tng= FRng - BFRg
BFRex = E
ex- R
exBFRhex = Ehex - RHex
BFR T T BFR FR FR BFR FR
FR
ng> 0 = R
d> E
sTng > 0 = > Et > Rt
RD FRng ES FRng Tng BFRg Et Tng Rt2014 2015 2016 310,050,897 512,112,946 338,510,198 321,643,999 635,379,249 330,561,173 FRL -11,593,102 -123,266,303 7,949,025