The weights of 4 boxes are 20, 40, 80 and 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?
1. The author of the novel 'Dodgers' is Don Winslow. 2. The author of the novel 'Forty Thieves' is Bill Beverly. 3. The author of the novel 'The Corrections' is Thomas Perry.