Answer :
Final answer:
The base fare that would be refunded for the return portion of the fare calculation is 43.83 USD. This is calculated by identifying the cost of the return journey which is half the total base fare.
Explanation:
The refund amount is calculated by looking at the original fare and identifying the return portion that would be refunded. In this scenario, the fare breakdown comprises two main parts: BWI DL X/ATL DL FLL 43.83 (This is the onward journey from Baltimore to Fort Lauderdale through the Atlanta hub) and DL ATL DL BWI 43.83 (This is the return journey from Fort Lauderdale to Baltimore through the Atlanta hub). Both these values are mentioned as 43.83 USD, implying each of these segments accounts for half the total base fare.
Therefore, if the return segment is not used, the refundable portion of the fare is that of the return journey i.e., 43.83 USD. Hence, 43.83 (Option A) would be the correct base fare that would be refunded.
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