FIFO, FEFO and LIFO: Cost Assignment vs. Physical Picking
Separate FIFO, LIFO and weighted-average cost assignment from FEFO physical picking, with a reconciled numerical example.
Plain-language definitions, formulas, and worked examples for procurement and inventory terms. Look up reorder points, par levels, safety stock, lead times, and supplier minimums.
50 articles
Separate FIFO, LIFO and weighted-average cost assignment from FEFO physical picking, with a reconciled numerical example.
Calculate a demand-variability buffer under stated assumptions and distinguish service targets from guaranteed availability.
Calculate a replenishment trigger from lead-time demand and safety stock, while checking inventory position and inbound orders.
Calculate CV and SBC demand classes, distinguish sample from population variance, and check the limits of short sales histories.
Distinguish observed usage, sales and forecast consumption, with recipe conversions, stock reconciliation and replenishment checks.
See how an order, supplier change, partial receipt and accounting handoff inform the next purchase, with a six-case worked example.
Calculate EOQ and compare feasible pack quantities, supplier minimums and discount tiers without assuming automatic cost optimization.
Distinguish MOQ, case packs and order minimums, then compare cash, cover and total costs using a supplier example.
Measure quoted, promised and actual lead time, handle partial receipts, and calculate reorder inputs under explicit assumptions.
Calculate the SBA bias correction, reproduce a worked example and distinguish forecast candidates from safety-stock and ordering decisions.
Understand business-use versus resale buying, current Faire eligibility, and the purchasing records needed for operational supplies.
Compare accounting inventory days with current stock coverage, incoming orders and lead-time assumptions before making a replenishment decision.
Classify annual usage value, then account for critical items, demand patterns and supplier risk when setting purchasing policies.
Compare the order, actual receipt and invoice while preserving partial deliveries, price changes and payment approval.
Record delivered and accepted quantities, investigate discrepancies and connect receiving evidence with invoice review.
Calculate landed unit costs, compare shared-charge allocations and handle partial receipts and later freight corrections with clear accounting scope.
Calculate GMROI using consistent periods and cost bases, distinguish revenue and cost-based turns, and avoid mistaking the ratio for net profit.
Define count accuracy, reconcile movements and compare line matches with absolute discrepancies using a consistent-unit example.
Estimate inventory holding cost, distinguish allocated from avoidable costs, and compare a bulk discount over the same demand horizon.
Calculate DIO, DSO and DPO with a retail example, interpret negative CCC, and separate working-capital ratios from a cash forecast.
Compare supplier payment triggers, Net 30 and early-payment discounts with a worked cash-timing example before agreeing terms.
Compare forecast candidates, check a smoothing example, handle zero-demand errors and translate estimates into purchasing decisions.
Compare delayed delivery, backup supply and substitutions using the same demand timeline and incremental costs.
Calculate gross component requirements, apply yield once, and subtract usable stock and incoming supply before buying materials.
Evaluate SKU contribution, demand transfer and genuinely avoidable costs before keeping, consolidating or discontinuing products.
Define the agreed order, retain supplier acceptance and connect revisions, receiving and accounting handoff.
Understand procurement and purchasing through a practical supplier-minimum example, process steps and decisions for small-business buyers.
Understand blanket PO limits, commitments and releases, with a worked example separating outstanding receipts from unreleased quantities.
Identify slow-moving and obsolete stock, review outstanding orders, and compare supplier returns with clearance under explicit assumptions.
Evaluate smaller inventory buffers against demand uncertainty, supplier reliability and the consequences of a shortage.
Calculate DPO, choose a comparable denominator, and distinguish negotiated supplier credit from late payments and recurring savings.
Separate supplier-led replenishment from ownership and define stock limits, pricing and substitution responsibilities.
Calculate COGS with a merchandise example, distinguish purchases from expenses, and reconcile counts, receipt discrepancies and accounting handoff.
Calculate gross margin and markup, distinguish purchases from COGS, and trace supplier cost changes without equating gross profit with cash.
Calculate restaurant prime cost from food, beverage and labor costs, align sales denominators, and investigate purchasing and operating variances.
Follow a purchase from request to payment, with a partial-delivery example, clear approval responsibilities and software evaluation questions.
Compare supplier quotations using consistent quantities, specifications and commercial terms before issuing an order.
Calculate inventory turnover from comparable COGS and average inventory values and understand what the ratio cannot explain.
Compare actual prices with an explicit baseline and distinguish price differences from total purchasing and holding costs.
Calculate actual and theoretical food cost using consistent period inventory, recipes, accepted purchases and adjustments.
Calculate an order-up-to target using a defined review horizon, inventory position and explicit safety and loss assumptions.
Model quantity loss with a defined inventory recurrence and distinguish planning assumptions from product shelf life.
Build a consistent retail-value or cost-value buying budget using beginning stock, planned sales and scheduled receipts.
Compare periodic and moving-average inventory costs with a fully reconciled example that retains calculation precision.
Compare lost contribution and shortage-response costs without double-counting avoided sales losses.
Measure unit, line and order fill rates separately, and distinguish fulfillment results from cycle service probability.
Measure unexplained inventory loss with a clear denominator and distinguish count errors, waste and modeled decay.
Define OTIF at the order level, avoid double-counting failed orders and use the result to investigate supplier exceptions.
Reconcile consigned receipts, sales, returns and shortages while separating physical stock, ownership and settlement.
Compare FOB, CIF and DDP responsibilities, avoid double-counting freight and preserve the agreed shipping terms on the order.