Task: Question Answering
Input (English): Problem: of the total amount that jill spent on a shopping trip , excluding taxes , she spent 60 percent on clothing , 20 percent on food , and 20 percent on other items . if jill paid a 10 percent tax on the clothing , no tax on the food , and an 10 percent tax on all other items , then the total tax that she paid was what percent of the total amount that she spent , excluding taxes ? 
Options: a ) 10 , b ) 20 , c ) 30 , d ) 25 , e ) 15
Output (English): a