David checked his bank account balance on Tuesday and he had $8650.43. He then went to AutoZone to buy supplies to work on his engine and spent $394.83. On Wednesday he went back to AutoZone and spent 3 times as much buying supplies to fix up the interior. By the time he checked his bank account on Friday after shopping at O'Reilly's he realized he had spent all the money in his account except $610.97. Write the equation used for each day, solve and state the amount spent each day. Only list the amount for each day in the short answer. *