Sales of a new model of compact disc player are approximated by the function S(x)=1,100800ex, where S(x) is in appropriate units and x represents the number of years the disc player has been on the market. a. Find the sales during year 0 . b. In how many years will sales reach 500 units? c. Will sales ever reach 1,100 units? d. Is there a limit on sales for this product? If so, what is it