Please show how you did it in excel and how you computed it mathematically

At the end of each year, you put $3,000 in an IRA. You do so for 10 years except in year 2 when you can only invest $2,000. The annual interest rate you get is 2.5%. Compute the FV of your IRA savings at the end of 10 years. You have to use the three methods listed above