the customer has a debit card that gives monthly cash back bonuses. if the customer spends from $10.00 to $499.99, he earns %1 cash back. if he spends $500.00 to $999.99, he earns 2% cash back. for monthly purchases of $1000.00 and more, he earns a 3% cash back bonus. his monthly purchases for the past 6 months are as follows: $345.00, $592.00, $609.00, $280.00, $1020.00, and $452.00 how much did he earn in cash back bonuses over the past six months (rounded to the nearest cent)?

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