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FIFO to Weighted Average Transition

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FIFO to Weighted Average Transition

Use the stock information in each question. Show your calculations and include dollar signs in your answers. For weighted average, divide the total cost of all available stock by the total number of units.

FIFO: first in, first out

FIFO assumes that the earliest stock purchased is sold first.

1.What do the letters FIFO stand for?
2.A bookshop sells one batch of notebooks. Under FIFO, which batch is treated as sold first?
  • The batch bought most recently
  • The batch bought earliest
  • The batch with the highest price
3.A shop buys 12 water bottles for $8 each, then 12 more for $11 each. It sells 12 bottles. Find the cost of the bottles sold using FIFO.

Weighted average

Weighted average cost per unit = total cost of all available stock ÷ total number of units.

Batch

Units bought

Cost per unit

A

8

$14

B

12

$17

4.Using the stock batches in the table, calculate the total cost of all 20 units.
5.Using the stock batches in the table, calculate the weighted average cost per unit. Give your answer to the nearest cent.
6.Using the stock batches in the table, find the cost of 10 units sold using weighted average.
7.For the stock batches in the table, 10 units are sold. What is the cost of those 10 units under FIFO?
8.For the stock batches in the table, which method gives the higher cost for 10 units sold?
  • FIFO
  • Weighted average
  • Both methods give the same cost
9.In one or two sentences, explain why FIFO and weighted average can give different costs for the same number of units sold.

Try another stock example

Use each batch's quantity and unit cost to calculate the weighted average before finding the sale and closing stock values.

10.A sports shop buys 6 training cones at $9 each, 10 at $12 each, and 4 at $15 each. Calculate the total cost and total number of cones available.
11.For the training cones bought at 6 for $9 each, 10 for $12 each, and 4 for $15 each, find the weighted average cost per cone.
12.Using the training-cone purchases of 6 at $9 each, 10 at $12 each, and 4 at $15 each, calculate the weighted average cost of 13 cones sold.
13.Using the same training-cone purchases, calculate the weighted average value of the cones remaining after 13 are sold.

3 printable pages

  • FIFO to Weighted Average Transition, page 1 of 3: FIFO: first in, first out, Weighted average

    Page 1

  • FIFO to Weighted Average Transition, page 2 of 3: Weighted average

    Page 2

  • FIFO to Weighted Average Transition, page 3 of 3: Try another stock example

    Page 3

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