The table below shows the index of National Income measured at current prices (nominal national income) and the GDP deflator (a price index) for an economy.
| Year | Index of National Income at current prices (2018 = 100) | GDP Deflator (2018 = 100) |
|---|---|---|
| 2014 | 80 | 80 |
| 2024 | 120 | 110 |
Based on the table, which one of the following statements is correct for the period between 2014 and 2024?
Nominal national income rose by 40%40\%40%.
Real national income rose by less than 10%10\%10%.
Real national income rose by more than 40%40\%40%.
Nominal national income rose by less than 50%50\%50%.