If a firm with a supply schedule with positive units at every price leaves a market, ceteris paribus, what will happen to the market supply?
a. It will shift right by that firm's output quantity at every price.
b. It will shift left or decrease by that firm's output quantity at every price.
c. It will not change.
d. It will become more elastic.
e. Insufficient data to determine.

Turrubiates corporation makes a product that uses a material with the following standards standard quantity 8.0 liters per unit standard price $2.50 per liter standard cost $20.00 per unit the company budgeted for production of 3,800 units in april, but actual production was 3,900 units. the company used 32,000 liters of direct material to produce this output. the company purchased 20,100 liters of the direct material at $2.6 per liter. the direct materials purchases variance is computed when the materials are purchased. the materials quantity variance for april is: