The Mini Simulation Lab

Module 01 Scenario 1 of 10

✍️ Journal Entry Constructor: Double-Entry Matrix

Construct balanced GAAP journal entries by selecting accounts from categorized dropdown lists. Watch debits, credits, and the fundamental accounting equation update in real time.

Select Business Transaction: 0 of 10 Completed

Oct 01

Initial Equity Contribution

General Journal Entry Voucher

Debit = Left | Credit = Right

Account Selection (Pick from Chart of Accounts)

Debit ($)

Credit ($)

Action

Pick account then input dollar amount

Total Debits: $0.00

Total Credits: $0.00

Out of Balance

Equation Monitor

A = L + E

Every balanced journal entry must maintain equilibrium across the fundamental accounting equation:

Δ Assets (A) $0

Δ Liabilities (L) $0

Δ Stockholders' Equity (E) $0

Enter amounts to test mathematical equilibrium.

Normal Account Balances:

Debit (+): Assets, Expenses, Dividends

Credit (+): Liabilities, Equity, Revenues

Module 02 Four-Statement Interconnection Engine

🌐 Financial Statement Flow: The "Aha!" Interlock Map

Experience the core truth of financial reporting: statements do not exist in silos. See how changes in operations cascade sequentially through the Income Statement, Retained Earnings, Balance Sheet, and Statement of Cash Flows.

👉 Move the Sliders Below to See the Interconnected Changes Live!

Adjust Sales Volume, Selling Price, or Dividends. Watch Net Income flow from the Income Statement into Retained Earnings, then simultaneously balance the Balance Sheet and anchor the Cash Flow Statement.

Interactive Operating Drivers

Real-time Simulation Active

Sales Volume 2,400 units

1,000 to 5,000 units

Selling Price $50 / unit

$30 to $80

SG&A OpEx $25,000

$15k to $45k

Effective Tax Rate 20%

0% to 40%

Dividends Paid $8,000

$0 to $30k

1. Income Statement For Year Ended

Revenue (2,400 @ $50): $120,000

Cost of Goods Sold (40%): ($48,000)

Gross Profit: $72,000

SG&A Operating Exp: ($25,000)

Depreciation Exp: ($6,000)

Operating Income (EBIT): $41,000

Income Taxes: ($8,200)

Net Income (NI): $32,800

➔ Net Income transfers to Retained Earnings & Cash Flow

2. Retained Earnings Earned Capital Bridge

Beginning Retained Earnings: $30,000

(+) Net Income: $32,800

(–) Dividends Declared: ($8,000)

Ending Retained Earnings: $54,800

➔ Ending Retained Earnings plugs into Balance Sheet Equity

3. Balance Sheet As of Dec 31

Cash & Equivalents: $53,800

Net PPE (Equip less Depr): $49,000

Total Assets: $102,800

Total Liabilities: $23,000

Common Stock (Paid-in): $25,000

Ending Retained Earnings: $54,800

Total Liab & Equity: $102,800

✓ Verified Balanced: Assets = Liabilities + Equity

4. Cash Flows Indirect Method

Net Income: $32,800

(+) Non-Cash Depreciation: +$6,000

Operating Cash Flow (CFO): $38,800

Investing: CapEx Purchased: ($15,000)

Financing: Dividends Paid: ($8,000)

Beginning Cash Balance: $38,000

Ending Cash Balance: $53,800

✓ Ending Cash matches Balance Sheet Cash

Module 03 Day 1 of 10

🚚 Taco Truck Tycoon: 10-Day Operating Cycle

Run Abuela's Taco Cruiser through an entire 10-day accounting cycle. Execute transactions, observe real-time postings to 10 live T-accounts, and review your final business scorecard.

Cash On Hand $0

Net Profit $0

Accounting Cycle Progress Day 1 of 10 (10%)

D1

Day 1: Capital Contribution & Food Truck Acquisition

Equity & Long-Term Financing

Choose the correct GAAP journal entry to post to the ledger.

General Ledger: Live T-Accounts

Real-time debit / credit postings

Cash Asset

Balance: $0

Accounts Rec. Asset

Balance: $0

Taco Inventory Asset

Balance: $0

Prepaid Ins. Asset

Balance: $0

Truck Equip. Asset

Balance: $0

Accum. Depr. Contra

Balance: ($0)

Liabilities AP / NP

Balance: $0

Unearned Rev. Liability

Balance: $0

Owner Equity Capital

Balance: $0

Rev & Exp Operating

Net Profit: $0

Module 04 Audit Case 1 of 10

📋 Audit the Bot: Senior Controller Review

Inspect primary source invoices, contracts, bank advices, and payroll summaries. Redline AI draft errors or approve pristine GAAP journal entries across 10 realistic corporate transactions.

Accuracy 100%

Audited 0 / 10

Streak 0 🔥

Select Case to Review: 0 of 10 Audited

Primary Source Documentation

Vendor Invoice

Apex Heavy Machinery Ltd. INV #APX-9821

Date: Nov 12

Item Description: Forklift with 7-yr useful life

Payment Terms: Net 30 Days

Total Amount: $28,500.00

Senior Controller Audit Rules:

Capital vs Expense: Future economic benefit extending >1 year vs routine repair.
Matching & Deferrals: Advance collections & payments must be deferred until earned or consumed.
Contra Accounts: Depreciation belongs in Accumulated Depreciation, write-offs in ADA.
Fiduciary Liabilities: Sales tax collected belongs in Sales Tax Payable, not Revenue.

RoboBookkeeper's Proposed Journal Entry

Autonomous AI Parser v4.2

Pending Controller Sign-off

Account Title	Debit ($)	Credit ($)

Bot's Stated Logic:

Your Controller Determination:

Module 05 Transaction 1 of 10

⚖️ The Accounting Equation: Assets = Liabilities + Owner's Equity

Experience the fundamental foundation of accounting. Execute 10 consecutive business transactions one at a time and observe real-time bar chart increases, decreases, and unwavering mathematical equilibrium.

Transaction Progression: Current Balance: $40,000

Dynamic Equation Balance Chart

Visualizing aggregate equilibrium: Assets (Left) vs. Liabilities + Owner's Equity (Right)

Balanced: $40,000 = $40,000

Total Assets $40,000

$40k

Cash $40,000

Accounts Rec. $0

Supplies $0

Equipment $0

Liabilities + Owner's Equity $40,000

$40k

Accounts Pay. $0

Notes Payable $0

Owner Capital $40,000

Retained/Rev-Exp $0

Transaction Impact (Δ): Assets +$40,000 = Liabilities $0 + Equity +$40,000

ΔA: +$40,000 ΔL: $0 ΔE: +$40,000

1

Owner Investment

Asset & Equity Increase

GAAP Analysis & Mechanics

Account Affected	Category	Direction	Dollar Change

Step through all 10 transactions to observe cumulative changes.

Cumulative Ledger Breakdown

As of Tx 1

ASSETS $40,000

Cash: $40,000

Accounts Receivable: $0

Supplies: $0

Equipment: $0

LIABILITIES $0

Accounts Payable: $0

Notes Payable: $0

OWNER'S EQUITY $40,000

Owner's Capital: $40,000

Retained Earnings / P&L: $0

Assets = L + E: Balanced ✓

The Mini Simulation/lab

✍️ Journal Entry Constructor: Double-Entry Matrix

Initial Equity Contribution

General Journal Entry Voucher

Equation Monitor

🌐 Financial Statement Flow: The "Aha!" Interlock Map

👉 Move the Sliders Below to See the Interconnected Changes Live!

Interactive Operating Drivers

Statement Linkage Challenges

🚚 Taco Truck Tycoon: 10-Day Operating Cycle

Day 1: Capital Contribution & Food Truck Acquisition

General Ledger: Live T-Accounts

🎉 10-Day Cycle Profitability Scorecard

📋 Audit the Bot: Senior Controller Review

Primary Source Documentation

RoboBookkeeper's Proposed Journal Entry

⚖️ The Accounting Equation: Assets = Liabilities + Owner's Equity

Dynamic Equation Balance Chart

Owner Investment

Cumulative Ledger Breakdown