Lori Purchased New Tires for Her Car, and She Can

Lori purchased new tires for her car, and she can bring it back every 5,000 miles to have the tires rotated free of charge. However, Lori doesn't do it because that would require that she take her car to the shop and either leave it and have someone get her and take her back later or sit and wait for the tires to be rotated. Which type of cost does this represent?

A) social cost
B) time cost
C) effort cost
D) physical cost
E) mental cost