For the price-quantity chart
| Good | Base year(2000) | Current year (2020) | ||
| Quantity |
Price (in $) |
Quantity |
Price (in $)
|
|
| 1 | 20 | 20 | 30 | 50 |
| 2 | 40 | 30 | 50 | 60 |
| 3 | 60 | 40 | 70 | 70 |
the Laspeyres price index for current year is
1
180
2
188
3
190
4
184
For the price-quantity chart
| Good | Base year(2000) | Current year (2020) | ||
| Quantity |
Price (in $) |
Quantity |
Price (in $)
|
|
| 1 | 20 | 20 | 30 | 50 |
| 2 | 40 | 30 | 50 | 60 |
| 3 | 60 | 40 | 70 | 70 |
the Laspeyres price index for current year is