The Masters Tournament Foundation is a 501(c) (3) tax exempt private entity. I would assume there are various for-profit, not-for-profit, and LLC entities related to Augusta National Inc. The Foundation has held this tax exempt status since 2012 - likely when formed. 2022, Masters Tournament Foundation claimed revenue of $31.4M.
Augusta National Inc., which operates ANGC, is a for profit entity. Steve Eubanks' book, "Augusta: Home of the Masters Tournament" provides some insights into ANGC's structure.
The Masters doesn't make money from domestic tv rights. The fees from TV sponsors pay for the tournaments production costs.
Drive, Chip, & Putt was
setup in 2013, a year after the Masters Foundation was established. It is considered a charity, so tax deductions.
Augusta National has a
trademark on the phrase, "A tradition unlike any other" - filed 2014-09-03. A list of all Augusta National's trademarks can be found here by clink '
HERE'.
Chart below is sourced from a
Forbes 2022 article. 
This is the 2021 990-PF US tax form for the Masters Tournament Foundation.
https://projects.propublica.org/nonprofits/organizations/274452110/202203199349102345/full
These are the 4 largest charities of the Masters Tournament Foundation. The Masters Foundation made $18.7M in charitable contributions in 2022.
