I JIO 4G 10:03 VOLTE You ぐ Just now 8. A market investigator returns the following' data. Of 1,000 people consulted 811 liked chocolates, 752-liked toffees and 418 liked boiled sweets, 570 liked both...

Extracted text: I JIO 4G 10:03 VOLTE You ぐ Just now 8. A market investigator returns the following' data. Of 1,000 people consulted 811 liked chocolates, 752-liked toffees and 418 liked boiled sweets, 570 liked both chocolates and toffees, 356 liked chocolates and boiled sweets and 348 liked toffees and boiled sweets, 297 liked all' three. Show that this information as it stands must be incorrect.