Two Heavy Equipment Manufacturers Might Collude in an Effort to Do

Two heavy equipment manufacturers might collude in an effort to do all of the following except one.Which is the exception?

A) determine a more advantageous price and quantity
B) prevent new entry into the market
C) take advantage of the legal benefits that U.S.cartels receive
D) increase their combined profits
E) predict the behavior of other competitors in the heavy equipment market with greater certainty