What pricing objective(s) is a skimming pricing policy most likely implementing? Is the same true for a

Question:

What pricing objective(s) is a skimming pricing policy most likely implementing? Is the same true for a penetration pricing policy? Which policy is probably most appropriate for each of the following products:
(a) A new type of home lawn-sprinkling system,
(b) A skin patch drug to help smokers quit,
(c) A DVD of a best-selling movie,
(d) A new children’s toy?