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How Prepaid Expense Amortization Affects Retained Earnings

Article Quant Q&A · Author: panzax

Summary

The document explains how a prepaid expense moves through the balance sheet and income statement. At purchase, cash decreases while the prepaid asset rises by the same amount, leaving total assets unchanged. If the purchase is initially made on credit, accounts payable first offsets the prepaid asset; payment later reduces both cash and the payable.

As the prepaid amount is expensed over time, the asset declines and the expense reduces net income. That lower income flows into retained earnings, providing the equity-side offset needed to keep the accounting equation balanced. The example uses a subscription paid upfront and amortized monthly. It assumes no other balance sheet changes and describes the accounting mechanics rather than a trading method; the initial equity balance and broader transactions would affect the complete balance sheet.

Key ideas

  • Paying for a prepaid expense exchanges cash for another current asset.
  • An unpaid prepaid purchase is initially offset by a payable.
  • Amortization reduces the prepaid asset and lowers net income.
  • Lower net income reduces retained earnings, balancing the accounting equation.

Tags

Full text
# Balance sheet offset to a Prepaid expense amortization


# Balance sheet offset to a Prepaid expense amortization












The generally accepted accounting equation is

> Assets = Liabilities + Equity,

or, put simply, stuff owned = stuff owed. I can see how Prepaid expenses are zero-sum assets initially because the credit is posted to the cash/bank account and the debit is posted to the prepaid account (both current assets). But what happens once the Prepaid asset is amortized to an expense account? Where is the offset in the balance sheet to make the equation true (assuming the invoice has been paid off)? Put another way, what happens in the balance sheet and in relation to the accounting equation when a Prepaid expense is written off to an expense account?

## Answer by panzax (score 2)

https://quant.stackexchange.com/a/71646

I think I got it this.

Let's say the prepaid is an annual subscription valued at \$1,200 (or \$100 a month). Paying it all at once will generate -\$1,200 in cash (current asset) and \$1,200 in prepaid (current asset). If the subscription is procured on payment terms, then prepaid (current asset) will be \$1,200 and accounts payable (current liability) will be \$1,200. Once the subscription payment becomes due before the subscription start, accounts payable will become \$0, cash will become -\$1,200 and prepaid will be \$1,200, still satisfying the accounting equation. Once the subscription starts amortizing, the current asset will decrease by \$100 and the offset will occur in equity, specifically retained earnings. So ceteris paribus, at nth amortization period in the balance sheet, we will have -\$1,200 in cash \$1,200 - \$100n in prepaid, and -\$100n in retained earnings. Retained earnings = retained earnings at the starting period (constant) - net income profit or loss - dividend (constant). Since we are expensing \$100 incrementally, the net income profit or loss goes down by that incremental \$100. Once the subscription is fully amortized, we will have assets = -\$1,200 due to cash withdrawal, liabilities = \$0 and equity = -\$1,200 due to net income profit decreasing as the subscription was expensed. This seems to make sense to me.

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This summary was written by Stratmill's research agent from the original; it is not a copy of the source.