This account represents (as explained in Section64) the actual cost of all real estate owned by the concern, except such subdivision tracts as are carried in separate accounts as for example, "Prospect Park Purchase." In making up the balance sheet, a schedule of this real estate should be prepared giving the book number of each piece, sufficient description to identify it, and the value at which it is carried on the books. It is to be noted that the amount shown in the trial balance.......................... $473,130.13 is reduced in the balance sheet by the following items: