申論題

3. For a particular competitive firm, the minimum value of average variable cost (AVC) is $3.5. The minimum value of short run average total cost (SATC) is $4.5 and is reached when 60 units of output are produced. The minimum value of long run average total cost (LATC) is $4 and is reached when 50 units of output are produced. Suppose the market demand is and the market supply is