Which ones of the statement are appropriate regarding an optimal arousal level for different tasks (assume the maximum arousal level is 100 points)? Group of answer choices For a common daily message typing task, an optimal arousal level can be as low as 50 points or below. None of the above/below For a common daily message typing task, an optimal arousal level can be as high as 90 points or above. For a historical essay writing task, an optimal arousal level can be as high as 90 points or above