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Complete the following table: Y C S APS MPS 0 4 – 10 12 – – – 20 20 – – – 30 28 – – –

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Question

Complete the following table:

Y C S APS MPS
0 4 –    
10 12 – – –
20 20 – – –
30 28 – – –
Complete the Table
Numerical
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Solution

Y C S APS MPS
0 4 –4 - -
10 12 –2 –0.2 0.2
20 20 –0 0 0.2
30 28 –2 –0.067 0.2

S = Y – C

0 – 4 = 4

10 – 12 = –2

20 – 20 = 0

30 – 28 = 2

APS = `S/Y`

At Y = 0: (Undefined (division by 0)

At Y = 10:

APS = `-2/10` = –0.2

At Y = 20:

APS = `0/20`

= 0

At Y = 30

APS = `2/30`

APS = 0.067

MPS = `(DeltaS)/(DeltaY)`

From Y = 0 to 10: 

MPS = `(-2-(-4))/(10-0)`

MPS = `2/10`

MPS = 0.2

From Y = 10 to 20:

MPS = `(0-(-2))/(20-10)`

MPS = `2/10`

MPS = 0.2

From Y = 20 to 30:

MPS = `(2-0)/(30-20)`

MPS = `2/10`

MPS = 0.2

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Chapter 12: Theory of Income and Employment - NUMERICAL QUESTIONS [Page 249]

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Frank Economics [English] Class 12 ISC
Chapter 12 Theory of Income and Employment
NUMERICAL QUESTIONS | Q 4. | Page 249
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