total revenue divided by the quantity sold

equal to the quantity of the good sold

average revenue divided by the quantity sold

equal to the price of the good sold

price equals average variable cost.

marginal revenue equals average revenue

marginal cost equals total revenue.

marginal cost equals marginal revenue

variable costs of staying open are less than the total revenue due to staying open

total costs of staying open are less than the total revenue due to staying open

variable costs of staying open are greater than the total revenue due to staying open

total costs of staying open are greater than the total revenue due to staying open.

the minimum of their average-total-cost curves

all of these answers are correct.

their efficient scale.

zero economic profit.

implicit costs

variable costs

the sum of implicit and explicit costs.

explicit costs.