Which of the following is an assumption that, if justified, would allow the conclusion of the salesperson's argument to be properly drawn? A. TruVue televisions are much more widely advertised than are Picturesque televisions. B. The picture quality of a television is determined solely by the quality of its picture tube. C. A salesperson earns much less on the sale of each Picturesque television than on the sale of each TruVue television. D. Many more Picturesque televisions are sold each year than TruVue television. E. Picturesque televisions are assembled in the same factory that assembles TruVue televisions.