Complete a fish-bone chart detailing reasons why an airline customer might be dissatisfied. Click the icon to view the partially completed fish-bone chart. Match each letter in the chart with the corresponding heading. Letter A B D Heading Material I Poor or no food A Tickets too expensive III Plane was late Poor connections II B Reading light not working Seats are too close IV Not enough ticket agents Not enough traffic police Dissatisfied customer Letter Heading Material A B D Methods Machinery Material Manpower Letter Heading Material A B D Material Methods Machinery Manpower Letter Heading Material A B D Machinery Material Methods Manpower