answer both

You want to invest an amount today that will last for 7 years and allow you to withdraw $875 at the end of each 6-month period. You earn 2\% APR compounded semiannually on your investment. How much do you need to invest today to achieve your goal? You have already saved $6850 to buy a used car. You invest this money in a certificate of deposit earning 0.80% APR compounded monthly. How many years will it take your account to reach your target of $7100 in order to buy the new car