Suppose you are in a hurry to get your income tax refund If you mail your tax return you will receive your refund in 3 weeks If you file the return electronically through a tax service, you can get the estimated refund tomorrow The service subtracts a $65 fee and pays you the remaining expected refund The actual refund is then mailed to the preparation service Assume you expect to get a refund of $2, 085 SHOW CALCULATIONS TO GET CREDIT What is the APR with weekly compounding? What Is the EAR? How large does the refund have to be for the APR to be 15%