Your importer wants to book for payment of 90 day LC amount of CNY 400,000.00 to your bank. Calculate the exchange rate to deal with the import payment. How much does your bank have to take from the importer? Please use the following information.

(a) Inter-bank exchange rate :

USD 1 = BDT 121.0000 - 122.5000
USD 1 = CNY 7.1015 - 7.1100

(b) Transit period 10 days
(c) Your bank's overhead charge 0.93%
(d) Profit margin BDT 0.10 per CNY
(e) Interest (or Swap) cost 5.0% per annum
(f) Assume 360 days in a year.
[N.B. : Please show your rough calculation.]