Question
Explain the causes of a leftward shift in demand curve of a commodity.
Rise in Income in Case of Inferior Goods: When income of the consumer increases, he will decrease the consumption increases, he will of inferior goods, e.g. a person decreases the consumption of dalda refined when his income increases.
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| (Units) | (Total Utility) | (Marginal Utility) |
| 1 | 12 | 12 |
| 2 | 18 | 6 |
| 3 | 22 | 4 |
| 4 | 24 | 2 |
| 5 | 24 | 0 |
| 6 | 22 | -2 |
| S. No. | | (₹in lakhs) |
| (i) | Sales. | 180 |
| (ii) | Rent. | 5 |
| (iii) | Subsidy. | 10 |
| (iv) | Change in stock. | 15 |
| (v) | Purchase of raw materials. | 100 |
| (vi) | Profits. | 25 |
| Output (Units) | Total Variavle Cost (TVC) (₹) | Average Variable Cost (AVC) (₹) | Marginal Cost (MC) (₹) |
| 1 | __ | 12 | __ |
| 2 | 20 | __ | __ |
| 3 | __ | 10 | 10 |
| 4 | 40 | __ | __ |
| Output(Units) | Price(Rs.) | Total Revenue(Rs.) | Marginal Revenue(Rs.) |
| 4 | 9 | 36 | - |
| 5 | - | - | 4 |
| 6 | - | 42 | - |
| 7 | 6 | - | - |
| 8 | - | 40 | - |
| Output | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
| Total Cost (₹) | 60 | 78 | 90 | 102 | 112 | 120 | 126 |