Two pie charts show a comparison of the proportion of people with different degrees (first degree, master) and professions (Arts, science) who worked in an engineering company in 1980 and 2008.

Pie charts illustrate the proportion of people with different degrees in two spheres(arts, science), who were employed by an engineering company in 1980 and 2008. Overall, it is clear that in first recorded year the percentage of employees with masters degree in science was the highest, while after twenty years the top position took people […]