I think that C is correct
This is going to be earned in your <em>gross (total) income. </em>=)
I believe the answer is: Self-starter
Self-starter refers to the people who had enough motivation within them to do all their responsibilities without being supervised by others. This could be shown in people who give help to others need it without any reward (such as the example above) , children who do their homework without being coerced by the parents, etc.
As a result, the launch of Sputnik served to intensify the arms race and raise Cold War tensions. During the 1950s, both the United States and the Soviet Union were working to develop new technology. ... The Soviet launch of the first Sputnik satellite was one accomplishment in a string of technological successes.
