A chain of supermarkets recognizes that it needs to increase revenue in the face of severe budget cuts due to the weak economy. The store has decided to run a sale every month and upgrade their stock more regularly, so that customers don't see the same products every month. They are planning to offer a wider selection of brands for men and women. They are also planning to advertise on billboards, radio, television, and in newspapers throughout the state. The sale, the wide selection of brands, and the promotions are examples of _____.