So, when Price equals MR = min ATC = MC = $21, this firm will break even. To see this compute TR for the firm when it produces 10 units and sells each unit for $21: TR = $210. Notice that this is the same as the firmâs TC: thus, the firm earns zero economic profit. e.
exists and is an alternate of . The anglerfish can get up to 3.3 feet but most others are about under a foot long such as 8 inches. The anglerfish can get up to 3.3 feet but most others are about under a foot long such as 8 inches.
A more common size would be about 12 inches for a common and about 8 to 10 inches for a fancy. They will grow faster, but not necessarily ultimately larger, in large ponds than in aquaria. People who say they get to be three feet long probably have goldfish confused with koi or other carp.