5. (a) Why are accounting profits higher than the economic profits? When the economic profits are negative then the accounting profits must also be negative. Explain. (b) Although the total cost always increases as output increases, the average total cost could either increase or decrease. Why this is the case? (c) For efficient scale, marginal cost and the average total cost must be equal. Suppose they can never be equal then what is the efficient scale? Suppose they are always equal then what is the efficient scale? BONUS (10 points) If fake news is a public good then why does Fox News continue to provide it?