Question: I have implemented the queue with a circular array, keeping track of first, last, and count ( the number of items in the array )

I have implemented the queue with a circular array, keeping track of first, last, and count (the number of items in the array). Suppose first is zero, and last is CAPACITY-1. What can you tell me about count. Question 1 Answer a. count must be zero. b. count must be CAPACITY. c. count could be zero or CAPACITY, but no other values could occur. d. None of the above. choose the valid answer

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