Easyshop, 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 see new 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, and television, and in newspapers throughout the state. in this scenario, which of the following strategies is easyshop using? select one: a. marketing tacticsb. product differentiationc. perceptual mappingd. customer value proposition