Direction: The given pictograph represents the number of visitors at a zoo on a certain day. Time Number of visitors 10 a. m - 12 noon 12 noon - 2 p. m. 2 p. m. - 4p.m. 4 p.m. - 6 p.m. 6 p.m. - 8 p.m. Each represents 40 visitors. How many more visitors visited the zoo between 2 p.m. and 4 p.m. as compared to those between 6 p.m. and 8 p.m.?

• A.  190                
• B.    180    
• C.  160                
• D.    120