i need these 2 please

Your grandmother has invested $10000 in a mutual fund each year on your birthday (she made her first payment when you turned 1 year old). The mutual fund has grown at an annual interest rate of 6.8%. How much is your account worth on the day of your 21st birthday immediately after your grandmother's deposit? Your Answer: Answer You are planning your retirement and you come to the conclusion that you need to have saved $1000000in 30 years. You can invest into an retirement account that guarantees you a 13% annual return. How much do you have to put into your account at the end of each year to reach your retirement goal? Your