Stewart C.

Microsoft Excel is a proprietary commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. wikipedia.org

QuickBooks is a line of business accounting software developed and marketed by Intuit. wikipedia.org

Tax preparation is the process of preparing tax returns, often income tax returns, often for a person other than the taxpayer, and generally for compensation. Tax preparation may be done by the taxpayer with or without the help of tax preparation software and online services. wikipedia.org

Corporate tax refers to a tax imposed on entities that are taxed at the entity level in a particular jurisdiction; such taxes may include income or other taxes. Businesses increasingly trade across borders,dealing with constant development in domestic and international tax laws. wikipedia.org

An income tax audit is the examination of a business or individual tax return by the IRS or state tax authority. The IRS and states interchangeably use the terms audit, examination, review, and notice to describe the enforcement of tax codes and filing returns accurately. wikipedia.org

Certified Public Accountant (CPA) is the statutory title of qualified accountants in the United States who have passed the Uniform Certified Public Accountant Examination and have met additional state education and experience requirements for membership in their respective professional accounting bodies and certification as a CPA. wikipedia.org

A financial statement (or financial report) is a formal record of the financial activities of a business, person, or other entity.