Suppose you receive a credit card statement on July 1, with a previous balance of $300; Julys billing period starts on July 1 and ends on July 30. You expect that a payment against your previous balance will be made on July 16 for $200; a purchase will also be charged at the same date for $100; Annual Percentage Rate (APR) is 18.0 % per year.

a.Under previous balance method, what is the finance charge for this billing period?

(Reminder: Don't add a $ sign in front of the answer)

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b. Under adjusted balance method, what is the finance charge for this billing period?

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c. Under average daily balance method, what is the finance charge for this billing period?

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