Which of the following would represent diseconohties of scalle?

Muttiple Choice

The downward$-$sloping segment of the long$-$rum average toral cost cutve.

The upward$-$sloping segment of the long$-$run average total cost curve.

A downward shift of the long$-$run average total cost curve.

The downward$-$sloping segment of the long$-$run marginal cost curve.