What is wrong with using this sentence in a business letter?

lots of liberty students like to go to pop's and think it is really cool.

the word "lots" and the words "really cool" are too informal.
the use of the word "liberty" without any other information is confusing.
"pop's" is too informal and may offend the business owner, since it is not the full name.
all of the above

Annotate the following passage from franklin d roosevelt's inaugural address. be sure and include the following: a title that summarizes the passage notes in the margin or below the paragraph, perhaps including questions to which you'd like answers question marks or asterisks marking important information the underlining of important information any other marks or notes to you understand the passage in such a spirit on my part and on yours we face our common difficulties. they concern, god, only material things. values have shrunken to fantastic levels; taxes have risen; our ability to pay has fallen; government of all kinds is faced by serious curtailment of income; the means of exchange are frozen in the currents of trade; the withered leaves of industrial enterprise lie on every side; farmers find no markets for their produce; the savings of many years in thousands of families are gone.