The difficulty organizations are facing with e-commerce is that consumers are not coming back to the website and purchasing more. one reason for the difficulty is: (a) the medium is too rich to be useful(b) all transactions are self-service(c) the opportunities for complex messages(d) overwhelm the buyer(e) too much feedback is available

All transactions are self service.

Explanation: When it comes to retail shopping from the final consumers, the comfort of the consumer is first. In E- commerce business all the transactions are in  the nature of self service, which highly affects comfort of final consumers.

All the transactions like choosing from different alternatives and so on makes it harder for consumers to shop from E-commerce.

Thus, we can conclude that option A is correct.

answer; (d) i believe that the correct answer is ; /// a new invention lowers the cost of production;

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