EFFECT(r,nper)
ɺ̺ EFFECT ںӶ̺Ⱥú ¶ö˺Ѷ̺ѶöȺ۶ɺ ʺǺöɺѶɺ Ѻ ¶Ⱥ ºɶɶǶ ɶǶͶ̶ɺȺ۶ɶǶ ʺǺöɺѶɶǶ Ѻ.
ö˺Ѷ̺ѶöȺ۶ɺ ʺǺöɺѶɺ Ѻ ںӶ̺ȺúѺ ʶ ԶǺͺȶ:
( 1 + @r / @nper) ^ @nper - 1
¶:
@r = ɶǶͶ̶ɺȺ۶ɺ ʺǺöɺѶɺ Ѻ (ѺɶǶȶöɶɺ ¶Ⱥ Ƕ¶ǶǶ ʶú̶Ƕº)
@nper = Ӷ̺ȶ ʶú̶Ƕ¶Ƕ ̺ʶǶȺۺöͶǶ ¶Ⱥ ǶϺٶö¶̶ɶöɶ̺
NOMINAL.