The cost to ship a package using company W can be represented by the equation y = 5x, where x is the weight, in pounds, of a package. The graph below shows the cost to ship a package using company Z.

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If a 10-pound package needs to be shipped, which statement is true?

A.
It will cost $1 less to ship the package with company W than with company Z.

B.
It will cost $1 less to ship the package with company Z than with company W.

C.
It will cost $10 less to ship the package with company W than with company Z.

D.
It will cost $10 less to ship the package with company Z than with company