A change in the full-employment quantity of labor ________ the short-run aggregate supply curve and ________ the long-run aggregate supply curve

Cindy's Sweaters' production function is shown in the above table. Cindy rents two knitting machines for $30 a day each and hires workers at a wage rate of $40 a day. If Cindy produces 18 sweaters per day, what is her total cost?

A) $120 B) $140 C) $180 D) $60

Refer to Figure 9.7. After the policy, consumer surplus became

A) $0. B) $10. C) $20. D) $20,000. E) $40,000.