please provide formulas! will thumbs up :)

4 You are 22 years old and currently have $50,000 in savings for retirement. You will start making quarterly contributions to your savings at the beginning of each quarter in the amount of $500. If you earn an average of 6.25% on your savings, how much will you have at retirement at age 65? 6.25% 50,000 500 65 22 4 ma Value of current savings at retirement: Value of annual contributions at retirement: Total Savings: 5 5 Twice every weekday, you stop at Starbucks and spend $3 on your favorite latte. That's 20 weekdays a month. If you could earn 3.8% on your savings until retirement, how much would you have then if, instead of going to Starbucks, you saved the money instead? You are currently 24, and hope to retire at 65. You'll make your deposits at the end of each month. Assume no other savings. m: days per month drinking Starbucks coffee lattes per day price of Starbucks coffee current age: retirement age: rate of return; 12 20 2 3 24 65 3.8% Savings at retirement