Here's this morning's challenge question: According to a study based at a Dallas University, the best time to do this is at 10 AM on a weekday. Do what?
It's RETURN AN ITEM TO THE STORE.
According to the JC Penney Center for Retail Excellence, based at SMU, this point in the morning is when you'll see the best customer/employee ratio; the most experienced employees work the day shift, so you're more likely to encounter someone who knows his or her stuff; and all staff is usually at their assigned posts at that point in the morning, so your return should be handled swiftly and effectively.
Leslie got the answer this morning, and won herself a $30 gift card on teh Steamship Authority.