Which of the following is an indicator of economic growth?

Economic growth is the process by which the productive capacity of an economy increase over a given period, leading to a rise in the level of the national income.
Gross domestic product is the total market value of all goods and services produced by a country in a specific time period typically a year. This includes earnings from foreign investments.

GDP = Consumption +Government +investment +Export − Imports
GDP is considered the broadest indicator of economic growth because GDP represent the market value of all goods and services produced by the economy during the given period including personal consumption, government purchase, private inventories, paid in construction cost and the foreign trade balance (export added, import are subtracted).
There are other indicators of economic growth such as; Consumer Price Index (CPI), Producer Price Index (PPI), Consumer Confidence Index (CCI), Money supply, Employment and others. However, High tax rate, Technology Development and High interest rate are not a part of the list.