A customer has a debit card that gives monthly cash back bonuses. If the custome

Question

A 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 $1,000.00 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, $1,020.00, and $452.00. How much did he earn in cash back bonuses over the past six months (rounded to the nearest cent)? a$10.99 b$65.39 c$65.96 d$549.67

Explanation / Answer

Solve for each month separately. 345 would be at 1% so 345*0.01=3.45 592 is at 2% so 592*.02=11.84 609 is also at 2% 609*.02=12.18 280 is 1% 280*.01=2.80 1020 is 3% 1020*.03=30.60 452 is 1% 452*.01=4.52 Add all of these together 3.45+11.84+12.18+2.8+30.60+4.52=65.39 so he earned $65.39 cashback in 6 months

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