Western Governors University

D557: Corporate Taxation

A guide to WGU's graduate course on federal income taxation of C corporations and their shareholders.

Updated October 2026 · 5 min read

D557 Corporate Taxation is a course in WGU's Master of Science in Accounting, Taxation track. WGU describes it as covering federal income taxation of corporations and their shareholders, from formation and capital structure to distributions, liquidations and special taxes.

WGU also warns that the course involves difficult tax rules, and that learners must study the textbook and complete the assigned problems. The honest advice is to practice problems, not just read.

Course at a Glance

ItemDetails
UniversityWestern Governors University (WGU)
CourseD557 Corporate Taxation
LevelGraduate (MS Accounting, Taxation track)
Competency units3, term 3 of the standard path
Companion coursePass-Through Taxation
Typical workTax computations and case-based questions

What D557 Covers

Competency (summarized)In practice
Explain formation, structure and tax treatment of C corporationsContributions of property, capital structure choices
Calculate tax effects of reorganizations, distributions and liquidationsDividends, redemptions, complete and partial liquidations
Calculate computations and creditsTaxable income, tax liability and credits
Explain international tax issues for C corporationsCross-border income and credits

WGU's description also mentions personal holding companies and the accumulated earnings tax.

Key Concepts Explained

Double Taxation

A C corporation pays tax on its profits, and shareholders pay tax again when profits are distributed as dividends. Much of the course explores how that outcome arises and how it is limited.

Example: A corporation earns $100,000 of taxable income and pays tax at 21%, leaving $79,000. If all of it is paid as a dividend, shareholders are taxed on $79,000 as well, so the same profit is taxed twice.

Taxable Income Computation

Start from book income, add or remove items that differ for tax, apply deductions, then compute tax and subtract credits. A clear schedule prevents errors.

Liquidations

In a complete liquidation, the corporation and the shareholders each face a possible gain or loss. Work through both levels separately.

Typical Assignments and How to Approach Them

TaskWhat it testsHow to approach it
Computation problemsApplying rules and thresholdsWrite the rule, then the arithmetic
Distribution analysisDividend versus return of capitalCheck earnings and profits first
Short caseChoosing the correct treatmentIdentify the transaction type before applying rules

How to Practice Tax Problems Effectively

Tax rules are learned by repetition. Work each assigned problem without the solution, mark where you hesitated, then study only those rules. Keep a log of errors by type, such as wrong threshold, missed adjustment or arithmetic slip, so you can see what to fix.

When you explain an answer, name the rule before the number. A reviewer reading "the distribution is a dividend to the extent of earnings and profits" can follow your logic even if a figure is off, which protects your marks.

Where D557 Sits in the Program

Corporate Taxation is taken in term 3 of the Taxation specialization, alongside Advanced Financial Accounting I and II, and is followed by Pass-Through Taxation in term 4. The two tax courses are designed as a pair: one covers C corporations, the other covers partnerships, LLCs and S corporations.

Exercise: Tracking a Distribution

Distribution questions reward a fixed sequence. Identify the payer and recipient, check current and accumulated earnings and profits, decide how much is a dividend, then treat any excess as a return of basis and finally as gain.

Example: A corporation with $30,000 of earnings and profits distributes $50,000 to a shareholder whose stock basis is $15,000. $30,000 is a dividend, $15,000 reduces basis to zero, and the remaining $5,000 is treated as gain. Always confirm against current rules and your course materials.

Where Students Get Stuck

Study Tips for D557

How We Help with D557

Send your problem set, rubric and feedback. A writer with tax experience prepares a worked model, explains the rules, or reviews your calculations. Visit our accounting assignment help guide for wider support.

GradeEssays is independent of Western Governors University. Our work is a study and reference aid; submit only your own work under WGU's academic integrity policy. Free revisions; full refund if late. Always check current tax law, as rules change.

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Frequently Asked Questions

Which track includes D557?

WGU's MS Accounting Taxation specialization.

What does WGU say about difficulty?

It says the course involves difficult tax rules and that learners should study the textbook and complete assigned problems.

Does it cover international tax?

Yes, one competency covers international tax issues for C corporations.

How does it relate to Pass-Through Taxation?

It is the C corporation side; the other course covers partnerships, LLCs and S corporations.

Will you take the assessment for me?

No. We provide study support only.

Are tax rules up to date?

Always check current law and your course materials, as tax rules change.