ለኢትዮጵያ ንግዶች FIFO፣ አማካይ ወይስ መደበኛ የወጪ ስሌት

Three methods, three trade-offs

The costing method you pick determines what your gross margin looks like every month, what your balance-sheet inventory valuation is at year-end, what your auditor compares against, and how your business reads its own profitability. It is not a small decision.

The three methods in common use:

1. FIFO — first-in-first-out. Items consumed in the order they were received. Most recent costs sit in inventory; oldest costs flow to cost of sales.
2. Weighted average — each receipt blends into a running average cost. Cost of sales reflects the current average; inventory valuation reflects the current average.
3. Standard costing — items costed at a pre-determined standard rate. Variances against actual cost are isolated and analyzed.

Each has a place. The wrong choice for your operation creates pain.

FIFO

Mechanics: Items consumed in receipt order. The cost layer of the oldest receipt flows out first.

When it fits: Perishable inventory (food & beverage, pharmaceuticals), time-sensitive stock (fashion, electronics), industries where natural flow matches FIFO.

Ethiopian context: Under Ethiopia's inflationary environment, FIFO produces a higher reported gross margin (because old, cheaper costs flow to COGS while newer, more expensive items sit in inventory). This inflates reported profitability — which can mean higher taxable income. Some businesses prefer FIFO for this transparency; others prefer weighted average for the smoother reported result.

Audit expectation: FIFO is widely accepted under IFRS for SMEs. Auditors find it straightforward to verify because the layer order is preserved.

Weighted average

Mechanics: Every receipt updates the running weighted-average cost based on the new quantity and price. Cost of sales uses the current average; inventory valuation uses the current average.

When it fits: General distribution, wholesale, retail with many similar SKUs, businesses where natural flow doesn't strictly match FIFO. The most common Ethiopian method.

Ethiopian context: Smooths the impact of FX volatility on imported goods. When a Birr-denominated PO at one FX rate is followed by another PO at a different FX rate, weighted average blends them. Cost-of-sales reflects the blended cost rather than spiking with the latest receipt.

Audit expectation: Widely accepted under IFRS for SMEs. The running average is straightforward to audit when properly preserved.

Standard costing

Mechanics: Each item has a pre-determined standard cost set at the start of the period (typically annually). Receipts are booked at standard. Differences between actual purchase price and standard surface as purchase price variances. Material usage differences from standard surface as usage variances.

When it fits: Manufacturing — especially when management wants visibility into where actual costs are deviating from plan. Less common in distribution.

Ethiopian context: Standard costing is a management tool more than a financial-reporting tool. Most Ethiopian manufacturers using standard costing also produce IFRS-aligned financial statements that adjust standard back to actual at period-end. NYLOS handles both views from the same data.

Audit expectation: Standard costing is acceptable under IFRS for SMEs only if variances are reconciled to actual cost in the financial statements. Auditors will look for the variance analysis and the adjustment at period-end.

Picking the right method for your business

A practical decision framework:

• Mostly perishables or time-sensitive items → FIFO.
• General distribution, mixed product range, imports with FX volatility → Weighted average.
• Manufacturing where management wants variance visibility → Standard costing (with actual-cost adjustment at period-end for IFRS reporting).

The most expensive choice is no choice — operating "manually" with inconsistent costing across items. NYLOS configures the costing method per item class, so a manufacturer can use standard for finished goods and weighted average for spare parts on the same database.

Switching methods

Changing costing methods is permitted under IFRS for SMEs but requires:

1. Disclosure of the change in financial-statement notes.
2. Justification (typically improved relevance or reliability).
3. Prior-period restatement so comparability is preserved.

Operationally, switching mid-year is painful. The discipline is to pick the right method during NYLOS implementation and stick with it. If the business outgrows the method, switch at year-end with a clean prior-period restatement.

How NYLOS handles costing

NYLOS supports all three methods, configurable per item class. The accounting journals post correctly per the configured method. Inventory valuation reports are produced under the active method. Period-end variance analysis is available for standard-costing items, with the actual-cost adjustment journal generated as required for IFRS-aligned reporting.

Read more

• [NYLOS Inventory & Procurement](/modules/inventory-and-procurement)
• [NYLOS Finance & Accounting](/modules/finance-and-accounting)
• [Building an IFRS-Aligned Chart of Accounts for Ethiopian SMEs](/blog/ifrs-chart-of-accounts-ethiopia)