Suppose you are given two tables containing information around various landfills across the United States. The table columns are defined as follows:

table: landfill_weights

• landfillID - the unique ID of the landfill
• base_weight - the current weight (in tons) of trash at the landfill
• number_garbage_vehicles - the number of garbage vehicles available in the fleet

table: landfill_monthly_flows

• monthly_inflow - the monthly inflow of trash to the landfill (in tons)...