How do you win riddle school two

First you need too get $1 to the boy standing on the wall.
After you got his whistle you blow it.
Then you walk out the door.
Then go into Mr. Sleeps class room click on the desk and get the stuff out.
then click the locker on the right.
Click on the slidy and then click on the vent.
grab the toilet paper and go to the boys bathroom.
grab the mop.
take the mop too the janitor.
go too the teachers lounge click on the I got permission too buy a cookie.
then click, Mr.O'boe.
Then you wait around until you can get into Mr.sums
grab the money by moving the paper.
then you go too the teachers lounge and fix the cookie machine by going too the back.
Then plug it in.
then insert all the money that you have.
then click on the boy that wants the cookie go into the office get the key then go to the back door and you won the game.