Question

In: Accounting

A company is able to produce four products and is planning its production mix for the...

A company is able to produce four products and is planning its production mix for the next period.

Estimated cost, sales, and production data follow:

Product                                                       W                   X                    Y              Z

                                                                    ₤                    ₤                    ₤                 ₤

Selling Price/unit                                       29                  36                  61               51

Labour (@ ₤ 5/hr)                                    15                 10                  35                25

Material (@ ₤ 1/kg)                                   6                  18                  10               12    

Contribution                                              ₤8                 ₤8                 ₤16            ₤14

Resources/Unit                                            ₤                   ₤                   ₤                  ₤

Labour (hours)                                           3                    2                 7                  5

Materials (Kgs.)                                          6                    18                10               12

Maximum Demand (Units)                    5000                5000                5000          5000

Based on the above data, which is the most appropriate mix under the two following assumptions?

If labour hours are limited to 50,000 in a period or

If material is limited to 110,000 kgs in a period

Solutions

Expert Solution

Solution

Determination of the most appropriate product mix under the assumption of labor hours limited to 50,000 in a period:

Step1 – determine the contribution margin per labor hour for each product

Step 2 – rank the product in order of highest contribution margin per labor hour

Step 3 – assign labor hours based on the ranking above

Step 4 – determine the product mix and the profitability.

W

X

Y

Z

labor hours needed per unit

3

2

7

5

contribution margin per unit

£8

£8

£16

£14

Contribution margin per labor hour

£2.67

£4

£2.29

£2.8

Ranking

III

I

IV

II

Maximum demand

5,000

5,000

5,000

5,000

maximum hours needed

15,000

10,000

35,000

25,000

Assigned labor hours

15,000

10,000

0

25,000

Product Mix

5,000

5,000

0

5,000

Labor hours limited

W

X

Y

Z

Production mix (units)

5,000

5,000

0

5,000

Contribution margin per unit

£8

£8

£16

£14

Total contribution margin

£40,000

£40,000

0

£70,000

Total optimal contribution margin = 40,000 + 40,000 + 70,000 = £150,000

Computations & notes:

Step 1 –

Determination of contribution margin per labor hour for each product:

Contribution margin per labor hour = contribution margin per unit/hours needed per unit

W

X

Y

Z

labor hours needed per unit

3

2

7

5

contribution margin per unit

£8

£8

£16

£14

Contribution margin per labor hour

8/3 =£2.67

8/2 =£4

16/7 = £2.29

14/5 = £2.8

Step 2 –

Based on the above contribution margin per labor hour, product X earns highest contribution margin per labor hour followed by Product Z, Product W and Product Y.

Step 3:

Based on the ranking above, the limited labor hours are first allocated to Product X (5,000 x 2 = 10,000 hours);

Product Z (5,000 x 5 = 25,000 hours) and the remaining 15,000 hours are entirely allocated for the production of Product W (5,000 x 3 = 15,000 hours).

No more labor hours are available for the production of Product Y.

Since, there is no mention of a requirement to produce certain minimum units of each product, Product Y is not produced.

Material is limited –

Determination of the most appropriate product mix under the assumption of material is limited to 110,000 Kgs in a period:

Step1 – determine the contribution margin per Kg of material for each product

Step 2 – rank the product in order of highest contribution margin per Kg of material

Step 3 – assign material based on the ranking above

Step 4 – determine the product mix and the profitability.

W

X

Y

Z

Material (Kg) needed per unit

6

18

10

12

contribution margin per unit

£8

£8

£16

£14

Contribution margin per Kg of material

£1.33

£0.44

£1.60

£1.17

Ranking

II

IV

I

III

Maximum demand

5,000

5,000

5,000

5,000

maximum material (Kg) needed

30,000

90,000

50,000

60,000

Assigned material (Kg)

30,000

0

50,000

30,000

Product Mix

5,000

0

5,000

2,500

Computations & notes:

Step 1 –

Determination of contribution margin per Kg of material for each product:

Contribution margin per Kg of material = contribution margin per unit/material needed per unit

W

X

Y

Z

material needed per unit

6

18

10

12

contribution margin per unit

£8

£8

£16

£14

Contribution margin per labor hour

8/6 =£1.33

8/18 =£0.44

16/10 = £1.60

14/12 = £1.17

Step 2 –

Based on the above contribution margin per Kg of material, product Y earns highest contribution margin per material Kg followed by Product W, Product Z and Product X.

Step 3:

Based on the ranking above, the limited material (Kg) is first allocated to Product Y (5,000 x 10 = 50,000 Kg);

Product W (5,000 x 6 = 30,000 Kg) and the remaining 30,000 hours are entirely allocated for the production of Product Z (30,000 Kg/12 = 2,500 units).

No more material is available for the production of Product X.

Since, there is no mention of a requirement to produce certain minimum units of each product, Product X is not produced.

Hence, the optimal product mix and profitability is as follows,

Material (Kg) limited

W

X

Y

Z

Production (units)

5,000

0

5,000

2,500

Contribution margin per unit

£8

£8

£16

£14

Total contribution margin

£40,000

0

£80,000

£35,000

Total contribution margin = £40,000 + 0 + £80,000 +£35,000 = £155,000


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