When Intel develops a strategy whereby they develop and introduce a newer, higher priced microprocessor chip every $12$ months and send the older models down the industry chain to feed demand at a much lower price points $($their new chips can sell for as much as a $$1000$ a piece$),$ they are using which of the following pricing strategies?

market$-$layer pricing

markes$-$segmentation pricing

market$-$skimming pricing

market$-$saturation pricing