21.- Explain and give examples of each of the four key elements
included in digital marketing. For each element, explain the flow
of information between consumers and firms or organizations.
22.- The following data are collected after a firm runs a search
marketing campaign. The average margin per transaction generated
from the search marketing program is $200.
Media spending
Impressions
Clicks
Transactions
$524,000
4,768,407
182,341
3,453
Determine each of the following
metrics for the program detailed above:
Click-through rate
Conversion...