$0.36 per year; and annual fuel usage is 120,000 gallons. MBC buses operate 300 days a year. (a) What is the optimal order quantity for MBC? (b) How frequently should MBC order to replenish the gasoline supply? per (c) The MBC storage tanks have a capacity of 12,500 gallons. Should MBC consider expanding the capacity of its storage tanks? The maximum inventory is MBC to expand its storage tanks. (d) What is the reorder point (in gallons)? gallons