Please show work for these two parts will upvote

The cost of a new bike is $700, and this price will remain the same over the next 2 years. If the annual interest rate is 10%, how much would you have to set aside now to be able to buy the bike in two years? B) You have to pay $3,000 a quarter in apartment rent at the end of each quarter of the next 12 months (i.e., your effective monthly rent is $1,000 ). The first payment is due in 3 months from now. How much do you need to set aside today to cover these bills, if the quarterly interest rate is 4%