Elmer, the owner of an auto service station, suddenly began smashing the front fenders and hoods of two customers' cars. when asked why, he excitedly explained that he was transforming the cars into "real racing machines." when an employee tried to restrain him, he shouted that everybody was fired and quickly began breaking the car windows. elmer is exhibiting symptoms of:

Mania or manic syndrome

Explanation:

Mania, which is also referred to as manic syndrome is caused by bipolar disorder which causes someone to have hightened mood , high energy such that they may sleep little but still wake up with a lot of energy.When they are happy it becomes extreme and when they get irritated it also becomes extreme and they get easily irritated. Their high energy makes them want to engage in various activities all at once that you can lose counts of what they are doing.

i have to go with a for this one