Suppose that for a monopolist, MR $=$ MC $=$ $$10$ and $P=$$$15$ at the profit$-$maximizing level of output. At this level of output, the firm

is earning a profit

will shut down if AVC $>$$$15$

is making $$5$ profit on each unit sold

will shut down if ATC $>$$$15$

Suppose that for a monopolist, MR $=$ MC $=$ $$10$ and $P=$$$15$ at the profit$-$maximizing level of output. At this level of output, the firm

is earning a profit

will shut down if AVC $>$$$15$

is making $$5$ profit on each unit sold

will shut down if ATC $>$$$15$

Suppose that for a monopolist, MR $=$ MC $=$ $$10$ and $P=$$$15$ at the profit$-$maximizing level of output. At this level of output, the firm

is earning a profit

will shut down if AVC $>$$$15$

is making $$5$ profit on each unit sold

will shut down if ATC $>$$$15$

Suppose that for a monopolist, MR $=$ MC $=$ $$10$ and $P=$$$15$ at the profit$-$maximizing level of output. At this level of output, the firm

is earning a profit

will shut down if AVC $>$$$15$

is making $$5$ profit on each unit sold

will shut down if ATC $>$$$15$

Suppose that for a monopolist, MR $=$ MC $=$ $$10$ and $P=$$$15$ at the profit$-$maximizing level of output. At this level of output, the firm

is earning a profit

will shut down if AVC $>$$$15$

is making $$5$ profit on each unit sold

will shut down if ATC $>$$$15$