Which of the following examples definitely illustrates a depreciation of the U.S. dollar?

Question

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In option D, the dollar depreciates because it initially exchanged for 120 yen but later only exchanged for 100 yen. This means that the value of the dollar decreased compared to the yen, indicating a depreciation. In options A and B, the dollar either appreciated or maintained its value, and in option C, the currencies are different, so it's impossible to determine whether the dollar depreciated or appreciated.

Which of the Following Examples Definitely Illustrates a Depreciation of the U.S