Answer and Explanation:
The completion of the second, fourth, and fifth columns of the given table is to be shown in the attachment below:
As we know that
Profit = Total revenue - total cost
Total revenue is the revenue earned by the company by multiplying the price with the quantity demanded
While the total cost is
= Fixed cost + variable cost
The marginal revenue comes from
= Change in total revenue ÷ change in quantity
We simply use these formulas in the spreadsheet below.