Your credit card says it charges 17.5% APR with daily compounding. What real annual rate are they

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Question:

Your credit card says it charges 17.5% APR with daily compounding. What real annual rate are they charging? That is, find the effective annual rate (EAR). Express in percentage but do not include the % sign, and round it to two decimal places, e.g., 9.45 (for .0945 or 9.45%)