# Interest on a credit card’s unpaid balance is calculated using the average daily balance

Interest on a credit card’s unpaid balance is calculated using the average daily

balance. Suppose that netBalance is the balance shown in the bill, payment is

the payment made, d1 is the number of days in the billing cycle, and d2

is the number of days payment is made before billing cycle. Then, the

average daily balance is:

averageDailyBalance = (netBalance * d1 - payment * d2)/d1

If the interest rate per month is, say, 0.0152, then the interest on the

unpaid balance is:

interest = averageDailyBalance * 0.0152

Write a program that accepts as input netBalance, payment, d1, d2, and interest

rate per month. The program outputs the interest. Format your output to two

decimal places.

balance. Suppose that netBalance is the balance shown in the bill, payment is

the payment made, d1 is the number of days in the billing cycle, and d2

is the number of days payment is made before billing cycle. Then, the

average daily balance is:

averageDailyBalance = (netBalance * d1 - payment * d2)/d1

If the interest rate per month is, say, 0.0152, then the interest on the

unpaid balance is:

interest = averageDailyBalance * 0.0152

Write a program that accepts as input netBalance, payment, d1, d2, and interest

rate per month. The program outputs the interest. Format your output to two

decimal places.

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