Kevin is excited because he has just signed an agreement to purkevin steel frames from a company at an excellent price and of very high quality. once the contract begins, kevin eagerly awaits the first shipment, but it arrives a month behind the agreed-upon schedule, which slows down production at kevin's plant. kevin is furious becausehe realizes too late that this supplier

a. produces poor quality.
b. has bad credit terms.
c. is unreliable.
d. is not as inexpensive as he thought.
e. is unscheduled.