Answer:
A. debit to Patent for 10,000FC multiplied by the current exchange rate.
Step-by-step explanation:
Since the excess of cost over book value was 10,000FC and this excess was traceable to a 10-year patent.
The elimination entry to amortize the excess will include a debit to Patent for 10,000FC multiplied by the current exchange rate assuming the foreign entity's local currency is its functional currency.