In Designing Service Systems, as You Go from Mail Contact

Multiple Choice

In designing service systems, as you go from mail contact to phone contact to face to face total customization, which of the following is most appropriate?

A) Sales opportunity decreases while degree of customer/server contact increases.
B) Sales opportunity decreases while degree of customer/server contact decreases.
C) Sales opportunity increases while degree of customer/server contact decreases.
D) Sales opportunity increases while degree of customer/server contact increases.
E) None of the above