The graph shows how the cost of flour depends on the amount purchased. image d4e51639499b482e8e204e442f36c002 What is the meaning of the point (0,0) on the graph? A. The cost of 0 pounds of flour is $0. B. The cost of 5 pounds of flour is $7. C. The flour costs 0 dollars per pound. D. The flour costs 00 dollars per pound.