If producers who hire labor in a competitive labor market decide to purchase the new automated machine that completes the work of 30 employees, we would expect the labor-demand curve to shift

If the producers buy the automatic machine, then we would definitely expect the labor demand curve to shift to the “LEFT”.

Shifting to the left means that there is a reduction of labor. This scenario is to be expected since the machines would replace the labor.

answer; /// i believe the answer is (insider trading)

answer; ///deficit;