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Cost of Increasing Shareholder Salary

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Last updated: 24 Nov, 2018
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By Jason Watson ()
Posted November 23, 2018

Given what we know about salary optimization and the Section 199A deduction, why not just bump up the shareholder salary to 27.9% every time? You can… sure… but let’s look at the cost to do that.

Here’s another telling table-

Net Business Income Before Salary



Old Reasonable S Corp Shareholder Salary


Section 199A Optimized Shareholder Salary



Section 199A W-2 Limit


Section 199A Net Business Income Limit



Lost Tax Deduction at 22% Income Tax Rate



Additional Social Security and Medicare Taxes*



Section 199A Optimization Benefit


What did we do here? We assumed a $200,000 net business income before a reasonable shareholder salary is paid. Let’s say we were paying $40,000 and we read this amazing book on the Watson CPA Group’s website that suggests a salary of $55,800 would maximize Section 199A deduction. How does that convert into cash in pocket?

By having a salary too low we lost $2,499 assuming a 22% marginal tax rate. In other words, since our Section 199A deduction is limited by our W-2 of $40,000, we lost $2,499 in tax benefit. The calculation is 22% x the difference in Section 199A calculations between W-2 limit and net business income limit ($11,360 x 22% is $2,499).

But the cost of increasing reasonable S Corp shareholder salary to $55,800 also increased Social Security, Medicare and other payroll taxes by $2,195 (employee and employer portions). A quick note of caution here- the employer portion was assumed to be 8% however, there is an income tax deduction since this 8% decreases the net business income and therefore reduces income taxes. In other words, 8% is truly 8% x (1 – 22%) or about 6.24%. We are getting deep into the weeds here, but you get the idea.

All these gyrations end up with $305 in your pocket. Not bad. A night at Gallagher’s on the house!

Also keep in mind that as salaries increase beyond the Social Security wage and unemployment wage caps, the payroll tax portion will change resulting in a different equilibrium percentage. This is why we suggest that the 28.57% number floating around out there on the internets, yes, plural, is practical but not exact.

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