The line graph provides information about incomes in different spheres, Enginnering, IT, and Professional sports over the years 1970 and 2010. Overall, professional sports were paid highly than other spheres however other two spheres also continued to rise over the period.
In 1970, professional sports were paid 120,000 dollars and rose to 130,000 in 1980. It experienced a slight decrease at 125,000 dollars salary in 1990. We can see the highest peak with 145,000 dollars income in 2000 and began to decline to 100,000 dollars. Neverthless, professional sports salary dominated its first position even it experienced slight falls over the period.
Engineering was a second position with 55,000 dollars income, while IT was paid 35,000 dollars. It experienced a slight increase with 60,000 and 68,000 dollars till 1990. The salary began to decline in 2000 and stopped with 70,000 dollars incomeand lost its second dominant place. However, IT salary began with35,000 dollars salary, it experienced notable increases over the period and stopped with approximately 100,000 dollars income and maintaned a second dominant place, near to professional sports salary.