Assume the population of the greater Tokyo area remains at its 2002 value of roughly 12 million people and that municipal solid waste is produced at a rate of 2 dry lb/personday, and that this material has a heating value of 7,500 Btu/lb. If 50% of this could be harvested for energy, by how much would it increase the total estimated 2050 biomass production rates for Japan, i.e., from recoverable residues and from biomass crops