READ amount

COMPUTE salesTax AS amount * 0.07
COMPUTE amount AS amount + salesTax

DISPLAY amount

READ rating

IF rating < 3 THEN

	COMPUTE tip AS amount * 0.10
	COMPUTE amount AS tip + amount
	DISPLAY amount

ELSE

	IF rating < 7 THEN
		COMPUTE tip AS amount * 0.15
		COMPUTE amount AS tip + amount
		DISPLAY amount


	ElSE
		IF rating < 11 THEN

		COMPUTE tip AS amount * 0.20
		COMPUTE amount AS tip + amount
		DISPLAY amount

	ENDIF


ENDIF

READ reward


IF reward == TRUE THEN

	READ balance

	IF balance > amount THEN
		COMPUTE amount AS amount - balance
		SET balance TO 0
		DISPLAY amount
	ELSE
		COMPUTE balance AS balance - amount
		SET amount TO 0
		DISPLAY amount


ELSE
	DISPLAY amount