When you import general cargo both air and sea freight, you must prepare and estimate how many duty tax of your cargo. you can ask your forwarding to calculate how many cost duty tax of your cargo. Please find we give you tips / sample  how do calculate Duty Tax in Indonesia :

Diketahui :
a.       Invoice Value                    : USD. 71.950,62
b.      BM                                         : 5%
c.       PPN                                       : 10%
d.      PPH PASAL 22                    : 2.5%
e.      Kurs                                       : Rp. 9100 (asumsi)
f.        HS Code                               : 901.850.00.00
g.       Shipping  Value                                : USD. 3000
h.      Insurance                            :  0.50 %  (asumsi)
a.        ( 71.950,62 + 3000 ) *0.50% = USD, 374,75
A.      PERHITUNGAN BIAYA NILAI PABEAN :
a.       (USD. 71.950,62 + USD. 3000 + USD. 374,74)* IDR 9100 = IDR.  685.460.895,21
B.      BEA MASUK (BM)  5% :
a.       IDR. 685.460.895,21 X 5% = IDR. 34.273.044,76
C.      PPN  10% :
a.       (IDR. 685.460.895,21+ IDR. 34.273.044,76) X 10% = IDR.71.973.394, 00
D.      PPH PASAL 22  (2.5%) :
a.       (IDR. 685.460.895,21+ IDR. 34.273.044,76) X 2.5% = IDR. 17.993.348,50

TOTAL  DUTY TAX : IDR. 34.273.044,76 + IDR.71.973.394,00 + IDR. 17.993.348,50   = IDR.124.239.787,26

BEST REGARDS,