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| Permian Basin Royalty Trust Financial Statements Condensed Statements of Assets , Liabilities and Trust Corpus June 30 , 2021 ( Unaudited ) December 31 , 2020 $ 1,922,140 $ 1,725,449 Assets Cash and short - term investments . Net overriding royalty interests in producing oil and gas properties ( net of accumulated amortization of $ 10,613,883 and $ 10,592,340 at June 30 , 2021 and December 31 , 2020 , respectively ) . TOTAL ASSETS Liabilities and Trust Corpus Distribution payable to Unit Holders . Commitments and reserves for contingencies . Trust corpus - 46,608,796 Units of beneficial interest authorized and outstanding .. TOTAL LIABILITIES AND TRUST CORPUS 361,333 $ 2,283,473 382,876 $ 2,108,325 $ 822,140 $ 625,449 1,100,000 1,100,000 361,055 $ 2,283,473 382,776 $ 2,108,325 Condensed Statements of Distributable Income ( Unaudited ) Royalty income . Interest income Three Months Ended June 30 , Six Months Ended June 30 , 2021 2021 2020 $ 2,941,146 $ 2,446,502 $ 5,065,303 1,273 2,423 2,586 2,942,419 2,448,925 5,067,889 2020 $ 8,701,011 6,784 8,707,795 Reserve for expenses . General and administrative expenditures ...... Distributable income . Distributable income per Unit ( 46,608,796 Units ) $ .06 $ ( 50,000 ) ( 284,304 ) ( 470,893 ) ( 570,044 ) $ 2,658,115 $ 1,928,032 $ 4,497,845 .04 $ ( 50,000 ) ( 799,756 ) $ 7,858,039 .10 $ .17 Condensed Statements of Changes in Trust Corpus ( Unaudited ) Trust Corpus , beginning of period .. Amortization of net overriding royalty interests .. Distributable income .. Distributions declared . Trust Corpus , end of period Distributions per Unit . Three Months Ended June 30 , Six Months Ended June 30 , 2021 2020 2021 2020 $ 373,055 $ 411,429 $ 382,876 $ 424,507 ( 11,722 ) ( 9,249 ) ( 21,543 ) ( 22,327 ) 2,658,115 1,928,032 4,497,845 7,858,039 ( 2,658,115 ) ( 1,928,032 ) ( 4,497,845 ) ( 7,858,039 ) $ 361,333 $ 402,180 $ 361,333 $ 402,180 .10 $ $ .06 $ .04 $ .17 Permian Basin Royalty Trust 2nd Quarter Report 2021