Cost of catalytic converters and oxygen sensor on 1999 Lexus RX300

How much should it cost to have 2 catalytic converters and an oxygen sensor replaced?

Asked by for the 1999 Lexus RX300
On front wheel drive, the original equipment front O2 sensor is about $200 about .7 hour to fit rear O2 sensor is $150 and about .8 to replace. Original equipment cats are expensive there are front/rear cats.
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