If Bob deposits $50 00 at the end of each year for amp; years in an account paying bye interest compounded annually . find the final amount he will...

please help with these questions, I am having trouble with the formulas

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If Bob deposits $50 00 at the end of each year for & years in an account paying bye interest compounded annually .find the final amount he will have on deposit . Round to the nearest centUA. $10, 200.00DE. $21, 873.08OC. $10, 018.00OD. $15, 918.00