Task: Question Answering
Input (English): Problem: john purchased a grinder and a mobile for rs . 15000 & rs . 8000 respectively . he sold the grinder at a loss of 4 % and the mobile phone at a profit of 15 % . overall how much he make a profit . 
Options: a ) s . 90 , b ) s . 620 , c ) s . 600 , d ) s . 650 , e ) s . 690
Output (English): c