Answer:
A. Buying power
Explanation:
Based on the information provided within the question it can be said that the condition that is most likely accountable for this is Dina's buying power. This term refers to amount of something that a certain amount of money is able to buy, compared to different time periods. Since Dina left her credit card at home, she only had a certain amount of money, meaning she could only buy less than she would be able to if she had her card.