Correct option: (b) incentives
Reason: The extra cost of shipping acts as an incentive for the buyer to order socks instead, as it will not only make the shipping free but also give the buyer one additional product for free.
You order a $50 Pittsburgh Steelers hat online for a graduation gift There's a standard shipping...
You order a $40 Andy Warhol print online for a Valentine's Day gift. There's a standard shipping charge of $10, but you see that orders of $45 or more ship for free. You could also order a $5 pair of socks, but you're not sure the gift recipient would like them N you decide to order the socks. Your decision is an example of Choose one: A marginal thinking B. trade-offs C. opportunity costs D. incentives.