The table below contains data for Bahkan for the year 2010.

GDP $110

Income earned by citizens abroad $5

Income foreigners earn here $15

Losses from depreciation $4

Indirect business taxes $6

Statistical discrepancy $0

Retained earnings $5

Corporate income taxes $6

Social insurance contributions $10

Interest paid to households by government $5

Transfer payments to households from government $15

Personal taxes $30

Nontax payments to government $5

Please explain how Personal income for Bahkan in 2010 is $89 and Disposable personal income for Bahkan in 2010 is $54.

Thank you.