"301809986"@en-us . . . "0"^^ . "301871565"@en-us . . "301871565"^^ . "0.5"^^ . . "economic"^^ . "01871565-a"^^ . "financially rewarding; \"it was no longer economic to keep the factory open\"; \"have to keep prices high enough to make it economic to continue the service\""@en-us . "301800273"@en-us . . "economic"@en-us .