Exhibit 10(a)
Consent of Independent Registered Public Accounting Firm
The Board of Directors
Mutual of America Investment Corporation:
We consent to the use of our report dated March 1, 2022, with respect to the financial statements of Mutual of America Investment Corporation, comprising the Equity Index Fund, All America Fund, Small Cap Value Fund, Small Cap Growth Fund, Small Cap Equity Index Fund, Mid Cap Value Fund, Mid-Cap Equity Index Fund, Composite Fund, International Fund, Catholic Values Index Fund, Retirement Income Fund, 2015 Retirement Fund, 2020 Retirement Fund, 2025 Retirement Fund, 2030 Retirement Fund, 2035 Retirement Fund, 2040 Retirement Fund, 2045 Retirement Fund, 2050 Retirement Fund, 2055 Retirement Fund, 2060 Retirement Fund, 2065 Retirement Fund, Conservative Allocation Fund, Moderate Allocation Fund, Aggressive Allocation Fund, Money Market Fund, Mid-Term Bond Fund, and Bond Fund (collectively, the “Funds”), incorporated by reference herein and to the references to our firm under the headings “Financial Highlights” in the Prospectus and “Independent Registered Public Accounting Firm” in the Statement of Additional Information.
New York, New York
April 28, 2022
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