1. the isbn number of a book gives you
a. the library of congress address.
b. an international reference number.
c. a government internet code.
d. the dewey decimal code.

the cost of attendance or coa is an approximate budget for the cost of attendance of the whole academic year. in order to calculate this, universities take into consideration many factors like room and board, tuitions and fees, books, transportation and personal expenses such as medicine, laundry, clothing. all these factors combined make up the final sum to the cost of attendance in each university.