Ryan Kennedy owns a chain of stores that sells DVDs$,$ CDs$,$ electronic games and iPod accessories. One thing that Ryan has noticed is that over the past several years, more of his products are being sold to young people, ages $16-24.$ Ryan attributes this trend to the steady increase in the amount of disposable income that young people have. To respond to this trend, Ryan has started stocking more products that appeal to $16$ to $24$ year olds. Ryan is recognizing new product opportunities as the result of changes in:regulatory forceslegal forceseconomic forcestechnological forcespolitical forces