The factory sales of cell phones from 2000 to 2005 can be modeled by the function S 116 2 0 018t where t 0 in 2000 and S represents the sales in millions of dollars A Assuming that the sales of cell phones continued to increase at the same rate find the factory sales of cell phones in 2021 to the nearest million Explain steps and your reasoning What does your answer mean in terms of the problem B According to the function when would the sales reach 200 million Explain your steps and reasoning What does your answer mean in terms of the problem