The table represents a quadratic function that shows how a company's cost to manufacture an item depends on the total number of items produced.

#of items|cost per item ($)
0|154
100|135
200|118
300|103
400| 90
500| 79
600| 70
700| 63
800| 58
900| 55
1000| 54
1100| 55
1200| 58

the y-intercept represents

[i] a.) the cost to the manufacturer of not producing any items[/i]

[i] b.) the cost per item to the manufacturer when it manufactures 600 items [/i]

[i]c.) the cost per item to the manufacturer when revenue is equal to cost [/i]