Answer:
D. implies that, for most people, the marginal benefit of reading a second newspaper is less than the marginal cost
Explanation:
When marginal cost is greater than marginal benefit ,There's inefficiency. It is better for the consumer to stop consumption at this point.
I hope my answer helps you
Answer:
both market research and marketing research APEX
Explanation:
How to solve if I remember right. $10 x .20 and then divide it with the .20 of whatever u get when u multiply it