11*Import tax/duty : at cost
CIF VALUE x tariff = Import duty = A
{ CIF + Import duty } x 5% = import tax = B
TOTAL Import tax/duty : A + B
12* trade promotion service fee= 0.04%
CIF value x 0.04% = trade promotion fee
13*VAT(SALES TAX): 5%
applied only to our charges on item(1 -10)