Procter & Gamble $($P&G$)$ used the Internet in the new product development of Whitestrips, a teeth$-$brightening product. Based on this experience, P&G:Question $28$ Select one:a$.$could not determine the target market segments for the Whitestrips.b$.$decided to add Internet research to its traditional marketing test model.c$.$reduced the time$-$to$-$market from concept to market launch by approximately two years.d$.$learned that the cost of online surveys was about the same as similarly sized telephone surveys, but online surveys expedited research considerably.