Is this a one-off thing or are there similar instances of wasteful spending? If its a one time thing, maybe your CEO had a reason - he/she might have felt that

Is this a one-off thing or are there similar instances of wasteful spending? If its a one time thing, maybe your CEO had a reason - he/she might have felt that the employees had been working too hard and deserved a break, or might have noticed that productivity and morale were flagging.