Buttons for frequently used commands such as are found on the standard toolbar.
a. cut
b. open project
c. save
d. paste

In the given question all options are correct.

Explanation:

An office software provides a standard toolbar to edit the document. This software works on graphical mode means that to edit anything we do not write code. we simply use click on button or drag and drop options. In this question all options is correct, that can be described as:

answer; i think/believe the correct answer is balance sheet;