To Sell an Extra Unit of Output,a Perfect Competitor __________,While

Multiple Choice

To sell an extra unit of output,a perfect competitor __________,while an imperfect competitor __________.

A) does not alter price;must lower price
B) must hope the market price falls;must lower price
C) does not alter price;does not alter price either
D) must lower price;must lower price
E) must lower price;must offer discounts