Based on the reading, which is the best strategy for John to maintain his profit margins?

John's Place sells furniture and other large discounted household items. John is able to source most of his inventory locally, keeping shipping costs low. Recently, John lost an important local supplier of couches, and now the company must ship couches from a location 1,000 miles away.

A. John can charge much more for his couches, passing the shipping costs onto the couch customer.
B. John can raise prices on all of his furniture and spread the extra shipping costs among customers.
C. John can keep charging the same price and make up the loss over a longer period of time.
D. John can wait until he gets another local supplier and let his couch inventory run out until then.