Maintenance costs at Oceanside Hotel over the past six months are listed in the following table. Using the high - low method, what would the monthly fixed maintenance cost be? (Round interme in an approximation of the cost.) A. $2,000 B. $28,000 C. $6,500 D. 98,500 With respect to variable costs per unit, which of the following statements is true? A. They will decrease as production decreases within the relevant range. B. They will decrease as production increases within the relevant range. C. They will remain the same as production levels change within the relevant range. D. They will increase as production decreases within the relevant range