Task: Question Answering
Input (English): Problem: a circle graph shows how the budget of a certain company was spent : 15 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 ) 216 ° , b ) 222 ° , c ) 228 ° , d ) 234 ° , e ) 240 °
Output (English): d