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7. Rasheed wishes to postpone for 90 days the payment of $450 that he owes to Roxanne. If money now earns 2.75%, what amount can he reasonably expect to pay at the later date? 9. Ruth-Ann has the option of paying $1936.53 today or $1975.00 100 days from today. What annual rate of return would money have to earn for the two options to be economically equivalent