请教一下Ub E3 ligase# Biology - 生物学
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Tel-marketing (make direct phone calls to potential
customers)
Direct Mail (send mails to potential customers)
Suppose the cost will be $1.00 per call, $0.50 per mail.
Suppose the contact rate will be 50% for phone calls (assume
that each call cost $1.00 no matter the customer is
contacted or not), and 100% for direct mail.
Suppose the successful rate for those made through phone
calls is 6% for direct mail is 2%.
Suppose the profit for bringing in each customer is $100.
Which approach is bette
customers)
Direct Mail (send mails to potential customers)
Suppose the cost will be $1.00 per call, $0.50 per mail.
Suppose the contact rate will be 50% for phone calls (assume
that each call cost $1.00 no matter the customer is
contacted or not), and 100% for direct mail.
Suppose the successful rate for those made through phone
calls is 6% for direct mail is 2%.
Suppose the profit for bringing in each customer is $100.
Which approach is bette