Answer:
An electronic news portal that offers one complimentary month for something like a free trial service or an institution that offers a free bank account for 6 months are both instances of penetration pricing.
A pricing technique known as price skimming is establishing a premium charge when other rivals enter the market. For instance, the Playstation 3 was initially priced at $599 in the United States, but has now been lowered to around $200.