In the country of republic of Texas purchases of goods and services by the government are $9494, corporate income taxes are $9031, transfer payments

In the country of republic of Texas purchases of goods and services by the government are $9494, corporate income taxes are $9031, transfer payments from the government to households are $8459, personal income taxes are $8385, the interest paid on the debt of the government is $6972, and social security taxes are $5689. Moreover, the federal budget was $6877.What is the amount of indirect taxes?Please explain, I know the correct answer is $8607