Answer:
Investment in machinery and equipment.
Step-by-step explanation:
a) Investment is an important determinant of economic growth. Increasing the level of investment in machinery and equipment increases the installed capital and thus the wealth of a country. b) These investments help to increase a country's wealth by increasing income, that is, it increases employment with better wages. On the other hand, it increases the country's capacity and production, thus increasing its ability to generate wealth and improving people's quality of life.