Sentence 1: Suppose further that they can do this for 1.5 cents per piece and that this saves the Postal Service 4 cents per piece.

Sentence 2: They can do this for 6 cents, which the Postal Service can do cheaper.
Pick from: i. yes. ii. it is not possible to tell. iii. no.
Is this second sentence entailed by the first sentence?
iii.