The given issue is about the sales of the department store.Given that the percentage of the customers of 40-50 years is 9 percent more than the customers that are from 20-40yrs. This is because the middel-aged people think little wisely while spending money and we get all our daily needs from a departmental store, these stores get more profit from them.These stores not only depend on the middel-aged customers as all sort of people move to the department stores, they also entertain the other customers accordingly. As they get more profit from the 40's they tend to attract them more. But it is a fact that with in 10years the young customers turn to the middel-age, so the store keepers should start trying to attract the young to increase their