CREATE TABLE table_63913 ("Year" TEXT, "Total Support and Revenue" TEXT, "Total Expenses" TEXT, "Increase in Net Assets" TEXT, "Net Assets at End of Year" TEXT)

With the net assets at end of year of $8,231,767, what is the increase in net assets?
SELECT "Increase in Net Assets" FROM table_63913 WHERE "Net Assets at End of Year" = '$8,231,767'
SELECT "Increase in Net Assets" FROM "table_63913" WHERE "Net Assets at End of Year" = '$8,231,767'