The manager at Screaming Trees has been trying to caloulate the portion of the company's overhoad epenses that is foxed and the portion that is variable. Over the past twelve months, the number of yards of processed was highest in July, when the total monthly overhead costs totaled $33,000 for 35,000 yards of mulch processed. The lowest number of yards of mulch prooessed in the last twelve monthe ocourred in October, when total overhead costs were $26,000 for 25,000 yards of mulch processed. What is the fixed portion of the monthly overhead expenses? (Do not round any intermediate caloulations) OA $24,500 OB. $8.500 OC $26,000 O D. S8,000