1. Danny is saving towards his vacation. He has determined that the total cost including airfare an accommodation will amount to $5,000.
   1. If he sets aside $400 per month from his salary, starting from the end of this month, in an account that pays interest of 9% per annum, will he have enough to make the trip at the end of the year?
   2. How much more will he have in the account if he made his first deposit of $400 today? What kind of annuity is this?