Proceed through the training section until
reaching the courtyard. Fight with the guard
until he retreats, then hit him until he stops.
Take the key from the table and enter the area
where the guard originally appeared. Move to the
end of the hall and use the key on the door.
Enter the door to reach a court containing a ball
Increase Cash (Bug Exploitation)
Just before completing the mission, do a save or
quicksave. Complete the mission and save it in a
different save slot. Reload your last save or
quicksave before completing the mission. Complete
the mission again. The statistics screen should
now have ADDED TOGETHER the loot from BOTH
mission completions. Apparently, the variable
which stores treasure amount at the end of the
mission is not being cleared between loads. You
can keep doing this until you have all the cash
you need to buy out the store at the loadout
screen for the mission immediately following.