Mai Lee has contributed $175 at the end of each month into her company's employee retirement account for the past 10 years. Her employer has matched her contribution each month. If the account has...

Mai Lee has contributed $175 at the end of each month into her company's employee retirement account for the past 10 years. Her employer has matched her contribution each month. If the account has earned interest at the rate of 4%/year compounded monthly over the 10-year period, determine how much Mai Lee now has in her retirement account. State the letter of the formula needed, do not solve.