The interest rate applicable for the credit card is 0.5% per month. Richard makes a purchase of $1000 and makes the payment on his card after 14 months. Assume there are no additional charges for non-payment of dues and Richard can pay the entire amount with interest after 14 months.

The amount due after 14 months is equal to:

`1000*(1 + 0.5/100)^14 `

= `1000*1.005^14`

= 1072.32

**The amount due after 14 months is $1072.32**

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