Five Years Ago,Tammy Always Took a Big Envelope Full of Coupons

question 146

Multiple Choice

Five years ago,Tammy always took a big envelope full of coupons to the grocery store.Now that she has a child in pre-school,she rarely brings coupons.Which of the following is NOT a possible explanation of this change in her behavior?

• A) Fewer coupons appear in the newspapers than five years ago.
• B) The opportunity cost of clipping coupons has risen above their monetary value.
• C) Grocery prices have decreased.
• D) The opportunity cost of grocery shopping has decreased.

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