Bass model assumes that the total new customers adopting a new product in a year are made up of innovators and imitators. let x1 be the innovators in year 1 and y1 the imitators in year 1. let x5 be the innovators in year 5 and y5 the imitators in year 5. Assume the even after 7 years the total number of customers adopting the new product are increasing. According to bass model, please identify the 2 correct statements.