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by Retric 2881 days ago
I have the same answer down the threat but basically:

They can only calculate company mach using the same formula as everyone else and a salary limit. For 2017: 270,000 * 6% = 16.2k which is the number given.

https://www.irs.gov/retirement-plans/401k-plans-deferrals-an...

PS: My guess is the 6% is because they do something like 100% matching up to 6% salary.