Suppose that Ciana is deciding whether or not to buy a pair of sneakers that she has been researching online, and also the best place to make her purchase. Three different stores in the area sell the sneakers she likes, but some stores are more convenient for Ciana to reach than others. One option is her local shoe store located only 15 minutes away from where she works, where they charge a marked-up price of $118 for the sneakers:

Ciana earns an hourly wage of $26 at her job. In order to purchase her sneakers she will have to take time off work, so each hour away from her job costs her $26 in lost income. Assume that Ciana's travel time is the same each way (to and from the store) and that it will take her 30 minutes once she reaches a store to complete her shopping. Assume throughout the question that Ciana incurs no additional costs other than the sneakers, such as gas.

Store	Travel time each way(minutes)	Price of sneakers ($ per sneakers)
Local Shoe store	15	118
Different Neighborhood in town	30	96
Rural Outlet	60	78