40) plush pets accepted a note for $690 with interest at 9 1/2% for 60 days. they immediately discounted it at a bank that charged them 10%. how much less than $690 did the company receive from the bank?

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An invoice for $978.35 has terms 3/10, 2/20, n/30. if a bank note is discounted at 9% to take advantage of the 3% discount, how much will be saved?