Apple's able to keep product prices constant because NAND/memory prices have been on the decline for the past couple years now. So even if other costs (e.g. TSMC chip manufacturing) go up, they make up the difference by not passing on the savings from decline NAND/memory chip prices.
This is on top of the previous quarter's up to 20% decline.
www.tomshardware.com
www.anandtech.com
In the trailing three-month period (October-December 2022), DRAM and NAND flash prices dipped 23 percent and 28 percent, TrendForce said.
www.techspot.com
TrendForce: Hope for cheaper consumer SSDs intensifies
www.theregister.com
Memory chip prices are falling fast and will likely go much lower, analyst warns - SiliconANGLE
siliconangle.com
That has allowed Apple to grow their margins. Their overall gross margins have gone from upper 30 percentage range to low-to-mid 40 percentage range.
Q3 2023: 44.5%
Q2 2023: 44.3%
Q1 2023: 42.95%
Q4 2022: 42.3%
Q3 2022: 43.26%
Q2 2022: 43.7%
Q1 2022: 43.8%
Q4 2021: 42.2%
Q3 2021: 43.3%
Q2 2021: 42.5%
Q1 2021: 39.8%
Q4 2020: 38.2%
Q3 2020: 38.0%
Q2 2020: 38.4%
Q1 2020: 38.4%
Q4 2019: 38.0%
Q3 2019: 37.6%
Q2 2019: 37.6%
Q1 2019: 38.0%