In the following table, determine how each event affects the position of the long-run aggregate supply (LRAS) curve.
Direction of LRAS Curve Shift The government allows more immigration of working-age adults who find work. (Left, No shift, Right)
A scientific breakthrough significantly increases food production per acre of farmland. (left, no shift, right)
A government-sponsored training program increases the skill level of the workforce. (left, no shift, right)