my $p_employee = { 'alice' => { 'salary' => 75000, 'hired' => 1176649545, 'manager' => 'bob', }; 'bob' => { 'salary' => 82000, 'hired' => 1145113545, 'manager' => 'carol', }; 'carol' => { 'salary' => 96000, 'hired' => 1145113545, 'manager' => 'thomas', }, };