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 fish can have up to three dorsal fins. The dorsal fins serve to protect the fish against rolling, and assist it in sudden turns and stops. 1  In anglerfish, the anterior of the dorsal fin is modified into an illicium and esca, a biological equivalent to a fishing rod and lure.