The candidates spend a record $94 million in August, largely on advertising.

Obama: $33 million in advertising, $4.9 million on travel, $2.8 million on payroll.

McCain: $23 million on advertising, $3 million on travel, $1.2 million on payroll.

Clinton’s campaign still owes $9 million to vendors.

Plus: McCain took in $8.8 million in the two days after adding Palin to the ticket.