answer the questions.

1. From your experience, please list 10 or more products that arise from a common (joint) beginning? What is the common beginning?

2. Might any of these be considered by-products? Why or why not?

3. Please explain how the matching principle applies under the physical measures method and the relative sales value method.

4. Is one method superior to the other? Why or why not? 

it should be your original work and one page