Subject: mathqa
Question: uncle bruce is baking chocolate chip cookies . he has 36 ounces of dough ( with no chocolate ) and 16 ounces of chocolate . how many ounces of chocolate are left over if he uses all the dough but only wants the cookies to consist of 20 % chocolate ?
Option: 
A: 6
B: 7
C: 9
D: 7.8
Answer: B