my %t_type = (

	'a' => {
		one => {low => 1000, high => 3000, percent => 25},
		two => {low => 200,high => 2000, percent => 30},
		three => {low => 1000,high => 6000, percent => 40},
		four => {low => 300,high => 1800, percent => 35},
		five => {low => 10, high => 40, percent => 60},
		six => {low => 2, high => 12, percent => 50},
		seven => [
			{select => 'small',low => 3,high => 3,percent => 30},
		],
	},
	
	'b' => {
		one => {low => 1000, high => 3000, percent => 25},
		two => {low => 200,high => 2000, percent => 30},
		three => {low => 1000,high => 6000, percent => 40},
		four => {low => 300,high => 1800, percent => 35},
		five => {low => 10, high => 40, percent => 60},
		six => {low => 2, high => 12, percent => 50},
		seven => [
			{select => 'medium',low => 1,high => 1,percent => 10},
			{select => 'large',low => 1,high => 1,percent => 10},
		],
	},	
	
	.... more records follow
	
);