Task: Question Answering
Input (English): Problem: a circle graph shows how the budget of a certain company was spent : 20 percent for transportation , 9 percent for research and development , 5 percent for utilities , 4 percent for equipment , 2 percent for supplies , and the remainder for salaries . if the area of each sector of the graph is proportional to the percent of the budget it represents , how many degrees of the circle are used to represent salaries ? 
Options: ['a ) 90 °', 'b ) 135 °', 'c ) 216 °', 'd ) 240 °', 'e ) 270 °']
Output (English): c