WILL GIVE BRAINLIEST THINGY. At the hardware store, a pound of 3-inch nails costs $1.75. Carol wants to graph the relationship between number of pounds and total cost. What should be the slope of Carol's graph and why?

A) The slope is 3, because there are 3 nails per pound.

B) The slope is 3, because $3.00 is the cost per pound.

C) The slope is 1.75, because $1.75 is the cost per nail.

D) The slope is 1.75, because $1.75 is the cost per
pound.