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ri =
k/
(k
-
!)
(1
-
(Iai
I
at'}
Oi
²
=
I:i'
-
f5'xi²
!
n
a) daiam 1.mit
BEP
(Q)
=
FC
P-\1(/Q
dlmana:
P
=
hllrgo
jual
per
unit
V
=
biaya wriabel
per
unR: