DECLARE 
lv_item_price NUMBER (2,2) = 4.50;
lv_items_num 	NUMBER (2);
BEGIN
LOOP
DBMS_OUTPUT.PUT_LINE(lv_items_num);
DBMS_OUTPUT.PUT_LINE(lv_item_price);
EXIT WHEN item_price >= 20;
lv_items_num := lv_items_num + 1;
lv_item_price := lv_item_price + lv_item_price;

END LOOP;
END;