If C(x) gives the cost of dollars of producing x items of acertain product, which of the following statements are true aboutstudent submitted image, transcription available below, the derivative of C(x)?
I. The units ofstudent submitted image, transcription available beloware dollars per item.
II. The value ofstudent submitted image, transcription available belowat any value of x is the cost of producingone additional item.
III.student submitted image, transcription available belowis the rate at which items areproduced.