I need those answers

1. Juan plans on saving $8000 each year starting at age 25 each year through age 65 ( 40 years). If he earns a "gross" 8% on his savings each year, how much money will he have at retirement if his account expense ratio is: a. 0.50% (5 points) b. or 0.05% ? (5 points) 2. Sabrina waits to start saving for retirement until age 35 . If she saves the same $8000 each year beginning at age 35 , and receives a "net" 7.00% annualized return, how much money would she accumulate by age 65 ? ( 10 points) 3. Juanita inherits $10,000 and invests it for 30 years at a "net" 9% return. How much money will she have at the end of the period? (5 points)