Five hundred naria monthly is allowed on an imprest system. The following transactions took place.

Period1:
Cash advanced to petty cashier......N500
Petty cashier paid out: stamp.......N200
Newspaper.....................N250

Period 2:
Cash to petty cashier...............N450
Cashier paid for writing materials..N350

How much should the petty cashier receive after period 2?

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