An Average Consumer's Decision to Purchase a Good from a Firm

An average consumer's decision to purchase a good from a firm or hire resources directly in the market will _____

A) depend only on his production skills and not on his contract negotiation skills.
B) depend only on the opportunity cost of his time but not on his skills.
C) not depend on the cost of identifying, measuring, and pricing inputs.
D) not depend on the cost of negotiating contracts.
E) depend, in part, on both his skills and the opportunity cost of his time.