Answer: $120 more earned by the store on the sale of same computer to Val.
Explanation:
Since we have given that
Original cost of computer Val buys = $920
According to question , if this is 115% of what the store paid for the same computer,
So, the store paid for the same computer will be

So, the store earned on the sale is given by

Hence, $120 more earned by the store on the sale of same computer to Val.