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BMC Limited: Calculation of Fixed Elements of Each Component Costs

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BMC LIMITED

6,000 8,000
$ $
Material 18,000.00 3.00 24,000.00 3.00 Variable Cost since it is fixed per unit but varies in total
Labour 15,000.00 2.50 19,000.00 2.38 Mixed Cost since it varies per unit and also varies in total
Overheads 11,700.00 1.95 14,700.00 1.84 Mixed Cost since it varies per unit and also varies in total
44,700.00 57,700.00
Selling Price 8.00 8.00

OPERATING STATEMENT
$ $
Total Sales 48,000.00 64,000.00
Total Cost 44,700.00 57,700.00
Total Profit 3,300.00 6,300.00

a. Calculation of Fixed Elements of Each Component Costs


Step 1 Calculation Variable Labour Cost/Unit
Low High Change
Labour $15,000.00 $19,000.00 $4,000.00
Activity Level 6,000 8,000 2,000.00

Variable Labour Cost/ Unit (b) $2.00

Step 2 Separation of Fixed Labour Cost from Mixed Costs at High Level of Activity
Total Cost = Fixed Cost + Variable Cost
Y = a + b(x)
Total Labour Cost/ Unit = Fixed Cost Variable Cost
$19,000.00 = Fixed Cost + $2(8,000)
Fixed Cost = $19,000 - $16,000
Fixed Labour Cost $3,000

Step 3 Calculation Variable Overhead Cost/Unit


Low High Change
Overheads $11,700.00 $14,700.00 $3,000.00
Activity Level 6,000 8,000 2,000.00

Variable Overhead Cost/ Unit (b) $1.50

Step 4 Separation of Fixed Overhead Cost from Mixed Costs at High Level of Activity
Total Cost = Fixed Cost + Variable Cost
Y = a + b(x)
Total Overhead Cost = Fixed Cost Variable Cost
$14,700.00 = Fixed Cost + $1.5(8,000)
Fixed Cost = $14,700.00 - $12,000
Fixed Labour Cost = $2,700

b. Calculation of Total Fixed Cost


Total Fixed Cost = Total Fixed Labour Cost + Total Fixed Overhead Cost
Total Fixed Cost = $3,000 + $2,700
Total Fixed Cost = $5,700

c. Calculation of Contribution/ Unit


Contribution/ Unit = Selling Price - Variable Cost/Unit
Variable Cost/Unit = Variable Material Cost + Variable Labour Cost + Variable Overhead Costs
Variable Cost/Unit = $3.00 + $2.00 + $1.50
Variable Cost/Unit = $6.50
Contribution/ Unit = $8.00 - $6.50
Contribution/ Unit = $1.50

d. Calculation of C/S Ratio


Contribution
C/S Ratio =
Sales/Selling Price
$1.50
$8.00
C/S Ratio = 18.75%

e. Calculation of Break-Even in Units and in Values


i. Calculation of Break-Even in Units
Total Fixed Cost
Break-Even in Units =
Contribution/Unit
$5,700.00
Break-Even in Units =
$1.50
Break-Even in Units = 3,800

ii. Calculation of Break-Even in Values


Total Fixed Cost
Break-Even Sales =
C/S Ratio
$5,700.00
Break-Even Sales =
0.1875
Break-Even Sales = $30,400

f. Calculation of Margin of Safety (MOS)


i. Margin of Safety (MOS) in Units = Total Output - Break Even Output
8,000 - 3,800
Margin of Safety (MOS) in Units = 4,200

ii. Margin of Safety (MOS) in Value = Total Revenue - Break Even Revenue
= $64,000 - $30,400
= $33,600
g. No. of Units to be sold to make a profit before tax of $10,000
Units to be sold to make a targeted profit before tax
Total Fixed Cost + Targeted Profit
=
Contribution/Unit

$5700 + $10000
=
$1.50
$15,700
=
$1.50
= 10,467

h. Total Sales required to make a profit after tax of $8,000 assuming a company tax rate of 30%

=[(𝐹𝑖𝑥𝑒𝑑 𝐶𝑜𝑠𝑡+((𝑇𝑎𝑟𝑔𝑒𝑡𝑒𝑑 𝑃𝑟𝑜𝑓𝑖𝑡 𝑎𝑓𝑡𝑒𝑟 𝑇𝑎𝑥)/


Total Sales in Unit to achieve a Targeted (1 −𝑇𝑎𝑥 𝑅𝑎𝑡𝑒)))/(𝐶𝑜𝑛𝑡𝑟𝑖𝑏𝑢𝑡𝑖𝑜𝑛/𝑈𝑛𝑖𝑡)]^
Profit of N8,000 after tax

=[($5,700+($8,000/(1 −0.30)))/
$1.50]^

Units to be sold = 11,419

=[(𝐹𝑖𝑥𝑒𝑑 𝐶𝑜𝑠𝑡+((𝑇𝑎𝑟𝑔𝑒𝑡𝑒𝑑 𝑃𝑟𝑜𝑓𝑖𝑡 𝑎𝑓𝑡𝑒𝑟 𝑇𝑎𝑥)/


(1 −𝑇𝑎𝑥 𝑅𝑎𝑡𝑒)))/(𝐶/𝑆𝑅𝑎𝑡𝑖𝑜)]^
Total Sales in Value to achieve a
Targeted Profit of N8,000 after tax

=[($5,700+($8,000/(1
−0.30)))/0.1875]^

= $91,352

i. Limitations of Break-Even Analysis


i. All other variables does not remain constant in real life.
ii. Companies often have varieties of product rather than single product or constant sales mix.
iii. Total costs and total revenue in real life does not necessary behave in a linear functions to output.
iv. Profits in real life are based of full costing approach.
vi. CVP analysis is irrelevant beyond the relevant range.
vii. CVP analysis is applicable only to a short-term time horizon, rather fixed cost must be recovered in the long run.

i. Assumptions of Break-Even Analysis


i. All other variables remain constant.
ii. A single product or constant sales mix.
iii. Total costs and total revenue are linear functions of output.
iv. Profits are calculated on a variable costing basis.
v. Costs can be accurately divided into their fixed and variable elements.
vi. The analysis applies only to the relevant range.
vii. The analysis applies only to a short-term time horizon.
it is fixed per unit but varies in total
varies per unit and also varies in total
varies per unit and also varies in total
head Cost

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