Final answer:
In July, Hans' fare card experienced a decrease in its balance due to fare deductions resulting from his regular use of public transportation services. Option C is correct.
Step-by-step explanation:
In July, Hans' fare card experienced a decrease in its balance due to fare deductions resulting from his regular use of public transportation services. As he used the card for commuting throughout the month, charges were incurred for each trip taken. These charges gradually reduced the balance available on the card.
With each swipe of the card, the corresponding fare for that particular journey was automatically deducted, leading to a decrease in the overall balance. Despite no additional transactions or a promotional offer adding value to the card, the continual use for travel purposes inevitably led to a decline in the amount available on the fare card by the end of July.
Correct answer: c. The amount decreased due to fare deductions.