Most computerized accounting systems use electronic forms to record transaction information, such as the invoice form illustrated

Question:

Most computerized accounting systems use electronic forms to record transaction information, such as the invoice form illustrated at the top of Exhibit 7.
a. Identify the key input fields (spaces) in an electronic invoice form.
b. What accounts are posted from an electronic invoice form?
c. Why aren’t special journal totals posted to control accounts at the end of the month in an electronic accounting system?