The total budget for this contract can be estimated based on the rental costs, exchange costs, and additional fees. The rental costs for "D" cylinders are estimated at $__________ per day, with an estimated quantity of 300. The annual rental price for "D" cylinders would be $__________ per year. Similarly, the rental costs for "M" and "H" cylinders are estimated at $__________ per day, with estimated quantities of 10 and 20, respectively. The total annual rental price would be $__________. The exchange costs for "D", "M", and "H" cylinders are estimated at $__________ each, with estimated annual quantities of 2,400, 100, and 200, respectively. The total annual exchange price would be $__________. Additional fees, such as hazardous materials fees, fuel surcharges, and delivery fees, would add to the total cost. The estimated total bid price would be $__________, which can be used as a basis for the budget estimation. Given the nature of the contract and the estimated quantities, a reasonable budget range could be between $500,000 and $2,000,000 per year, depending on the actual costs and fees incurred.