I'm this PowerPoint Presentation as comparison to mine because both are dealing with mobile technology. Thank you! It's helped me a lot!
The assignment was for the writer to configure a diagram specifically for the marketing subsystem. The diagram was not included with the answer and the attached diagram was taken from the textbook. This answer would have only covered half of the assignment and was therefore incomplete and not worth the price.
This answer said it was updated December of 2014 yet it is still using the 2012 tax forms.