Calculate the final price after applying a discount. The discount percentage should be applied to the original price and the result should be rounded to 2 decimal places.
Examples:
Input: originalPrice = 100.00, discountPercentage = 10
Output: 90.00
Explanation: 10% of 100.00 is 10.00, so the final price is 100.00 - 10.00 = 90.00
Input: originalPrice = 79.99, discountPercentage = 15
Output: 67.99
Explanation: 15% of 79.99 is 12.00, so the final price is 79.99 - 12.00 = 67.99 (rounded to 2 decimals)
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