You need to have 50.000$ at the end of 10 years. To accumulate this sum, you have decided to sabe a certain amount at the end of each of the next 10 years and deposit it in the bank. The bank pays 8 percent interested compounded annually for long-term deposits.

a) how much Will you have to save each year?

b)how much Will you have to save if you deposit a certain amount at the biggining of each ear? would you expect this amount to be higher or lower tan those calculated in the previous point?