About what percentage of consumers uses coupons or discount promotional codes when making purchases online? Marketing Chapter 17 About what percentage of consumers uses coupons or discount promotional codes when making purchases online?a. 0.0772 percentb. 0.772 percentc. 7.72 percentd. 77.2 percente. 100 percentANSWER: c Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+