The answer to the question below is supposedly option A because 530750- 526500 is 4250 Unfavorable. Could someone explain to me why the answer wouldnt be 530250-526500 = 3750 unfavorable?

5. Ferrie, Inc. produces custom baseball gloves. This year's budget was based on the production of 10,000 gloves using a standard of 10 direct labor hours per glove and $5 variable overhead per direct labor hour. Ferrie incurred 105,300 hours to produce 10,250 gloves. If actual variable overhead for the year is $530,250, what is Ferrie's variable overhead spending variance? A) $4,250 favorable B) $18,250 favorable C) $4,250 unfavorable D) $18,250 unfavorable