my %units_by_name = map { ( $_->name => $_ ) } @{ SL::DB::Manager::Unit->get_all };
my %price_factors_by_id = map { ( $_->id => $_ ) } @{ SL::DB::Manager::PriceFactor->get_all };
my %units_by_name = map { ( $_->name => $_ ) } @{ SL::DB::Manager::Unit->get_all };
my %price_factors_by_id = map { ( $_->id => $_ ) } @{ SL::DB::Manager::PriceFactor->get_all };